include/coff-i960.h

   1 /*** coff information for 80960.  Origins: Intel corp, natch. */
   2
   3 /* This include file is also used for rudimentary ECOFF support on MIPS
   4    machines.  Such differences as are needed are #ifdef MIPS.  */
   5
   6 /* NOTE: Tagentries (cf TAGBITS) are not used by the 960 */
   7
   8 /********************** FILE HEADER **********************/
   9
  10 struct external_filehdr {
  11         char f_magic[2];        /* magic number                 */
  12         char f_nscns[2];        /* number of sections           */
  13         char f_timdat[4];       /* time & date stamp            */
  14         char f_symptr[4];       /* file pointer to symtab       */
  15         char f_nsyms[4];        /* number of symtab entries     */
  16         char f_opthdr[2];       /* sizeof(optional hdr)         */
  17         char f_flags[2];        /* flags                        */
  18 };
  19
  20 struct internal_filehdr
  21 {
  22   unsigned short        f_magic; /* magic number                        */
  23   unsigned short        f_nscns; /* number of sections          */
  24   long          f_timdat;        /* time & date stamp           */
  25   long          f_symptr;        /* file pointer to symtab      */
  26   long          f_nsyms;         /* number of symtab entries    */
  27   unsigned short        f_opthdr; /* sizeof(optional hdr)               */
  28   unsigned short        f_flags;  /* flags                      */
  29 };
  30
  31 /* Bits for f_flags:
  32 *       F_RELFLG        relocation info stripped from file
  33 *       F_EXEC          file is executable (no unresolved external references)
  34 *       F_LNNO          line numbers stripped from file
  35 *       F_LSYMS         local symbols stripped from file
  36 *       F_AR32WR        file has byte ordering of an AR32WR machine (e.g. vax)
  37 */
  38
  39 #define F_RELFLG        (0x0001)
  40 #define F_EXEC          (0x0002)
  41 #define F_LNNO          (0x0004)
  42 #define F_LSYMS         (0x0008)
  43 #define F_AR32WR        (0x0010)
  44
  45 /*
  46 *       Intel 80960 (I960) processor flags.
  47 *       F_I960TYPE == mask for processor type field.
  48 */
  49
  50 #define F_I960TYPE      (0xf000)
  51 #define F_I960CORE      (0x1000)
  52 #define F_I960KB        (0x2000)
  53 #define F_I960SB        (0x2000)
  54 #define F_I960MC        (0x3000)
  55 #define F_I960XA        (0x4000)
  56 #define F_I960CA        (0x5000)
  57 #define F_I960KA        (0x6000)
  58 #define F_I960SA        (0x6000)
  59
  60
  61 /* Mips magics */
  62 #define MIPS_MAGIC_1 0x0180
  63 #define MIPS_MAGIC_2 0x0162
  64 #define MIPS_MAGIC_3 0x0160
  65
  66
  67
  68 #define ECOFFBADMAG(x) (((x).f_magic!=MIPS_MAGIC_1) && \
  69                         ((x).f_magic!=MIPS_MAGIC_2) &&\
  70                         ((x).f_magic!=MIPS_MAGIC_3))
  71
  72
  73 /** i80960 Magic Numbers
  74 */
  75
  76 #define I960ROMAGIC     (0x160) /* read-only text segments */
  77 #define I960RWMAGIC     (0x161) /* read-write text segments */
  78
  79 #define I960BADMAG(x) (((x).f_magic!=I960ROMAGIC) && ((x).f_magic!=I960RWMAGIC))
  80
  81 #define FILHDR  struct external_filehdr
  82 #define FILHSZ  20
  83
  84 /********************** AOUT "OPTIONAL HEADER" **********************/
  85
  86 typedef struct {
  87         unsigned long   phys_addr;
  88         unsigned long   bitarray;
  89 } TAGBITS;
  90
  91
  92 /*  These appear to be used only by exec(2).  I don't know who cares
  93     about them in a cross development environment.  In any case, this
  94     is my collection after researching the issue for a few hours.
  95     Apparently, most have these have remained essentially unchanged
  96     since v7 days, although a few new ones have been added.  xoxorich.
  97     Could we have a little more teleology please? -- Gumby */
  98
  99 #define BAD0MAGIC   (0401)      /* (?) "lpd (UNIX/RT)" */
 100 #define BAD1MAGIC   (0405)      /* (?) overlay */
 101 #define OMAGIC      (0407)      /* old impure format. data immediately
 102                                    follows text. both sections are rw. */
 103 #define NMAGIC      (0410)      /* split i&d, read-only text */
 104 #define A_MAGIC3    (0411)      /* (?) "separated I&D" */
 105 #define ZMAGIC      (0413)      /* like NMAGIC, but demand loaded */
 106 #define PAGEMAGIC2  (0414)      /* (?) like ZMAGIC, but address zero
 107                                    explicitly unmapped. */ /*  */
 108 #define REGMAGIC    (0414)      /* (?) a PAGEMAGIC2 alias? */
 109 #define PAGEMAGIC3  (0415)      /* (?) like ZMAGIC, but address zero mapped. */
 110 #define A_MAGIC5    (0437)      /* (?) "system overlay, separated I&D" */
 111 #define SASMAGIC    (010000)    /* (?) "Single Address Space" */
 112 #define MASMAGIC    (020000)    /* (?) "Multiple (separate I/D) Addr. Spaces" */
 113
 114 struct internal_aouthdr {
 115         short           magic;  /* type of file                         */
 116         short           vstamp; /* version stamp                        */
 117         unsigned long   tsize;  /* text size in bytes, padded to FW bdry*/
 118         unsigned long   dsize;  /* initialized data "  "                */
 119         unsigned long   bsize;  /* uninitialized data "   "             */
 120 #if U3B
 121         unsigned long   dum1;
 122         unsigned long   dum2;   /* pad to entry point   */
 123 #endif
 124         unsigned long   entry;  /* entry pt.                            */
 125         unsigned long   text_start;     /* base of text used for this file */
 126         unsigned long   data_start;     /* base of data used for this
 127                                            file */
 128 #ifndef MIPS
 129         unsigned long   tagentries;     /* number of tag entries to
 130                                            follow */
 131 #endif
 132
 133 } ;
 134
 135
 136 typedef struct
 137 {
 138   char  magic[2];               /* type of file                         */
 139   char  vstamp[2];              /* version stamp                        */
 140   char  tsize[4];               /* text size in bytes, padded to FW bdry*/
 141   char  dsize[4];               /* initialized data "  "                */
 142   char  bsize[4];               /* uninitialized data "   "             */
 143   char  entry[4];               /* entry pt.                            */
 144   char  text_start[4];          /* base of text used for this file */
 145   char  data_start[4];          /* base of data used for this file */
 146 #ifndef MIPS
 147   char  tagentries[4];          /* number of tag entries to follow */
 148 #endif
 149 }
 150 AOUTHDR;
 151
 152 /* return a pointer to the tag bits array */
 153
 154 #define TAGPTR(aout) ((TAGBITS *) (&(aout.tagentries)+1))
 155
 156 /* compute size of a header */
 157
 158 /*#define AOUTSZ(aout) (sizeof(AOUTHDR)+(aout.tagentries*sizeof(TAGBITS)))*/
 159 #define AOUTSZ (sizeof(AOUTHDR))
 160
 161
 162 /********************** STORAGE CLASSES **********************/
 163
 164 #define C_EFCN          -1      /* 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_REGARG     19 */   /* My guess - but Intel specific*/
 185 #define C_AUTOARG       19      /* auto argument                */
 186 #define C_LASTENT       20      /* dummy entry (end of block)   */
 187 #define C_BLOCK         100     /* ".bb" or ".eb"               */
 188 #define C_FCN           101     /* ".bf" or ".ef"               */
 189 #define C_EOS           102     /* end of structure             */
 190 #define C_FILE          103     /* file name                    */
 191 #define C_LINE          104     /* line # reformatted as symbol table entry */
 192 #define C_ALIAS         105     /* duplicate tag                */
 193 #define C_HIDDEN        106     /* ext symbol in dmert public lib */
 194
 195         /* New storage classes for 80960 */
 196
 197 /* C_LEAFPROC is obsolete.  Use C_LEAFEXT or C_LEAFSTAT */
 198 #define C_LEAFPROC      108     /* Leaf procedure, "call" via BAL */
 199
 200 #define C_SCALL         107     /* Procedure reachable via system call */
 201 #define C_LEAFEXT       108     /* External leaf */
 202 #define C_LEAFSTAT      113     /* Static leaf */
 203 #define C_OPTVAR        109     /* Optimized variable           */
 204 #define C_DEFINE        110     /* Preprocessor #define         */
 205 #define C_PRAGMA        111     /* Advice to compiler or linker */
 206 #define C_SEGMENT       112     /* 80960 segment name           */
 207
 208 /********************** SECTION HEADER **********************/
 209
 210 struct internal_scnhdr {
 211         char            s_name[8];      /* section name                 */
 212         long            s_paddr;        /* physical address, aliased s_nlib */
 213         long            s_vaddr;        /* virtual address              */
 214         long            s_size;         /* section size                 */
 215         long            s_scnptr;       /* file ptr to raw data for section */
 216         long            s_relptr;       /* file ptr to relocation       */
 217         long            s_lnnoptr;      /* file ptr to line numbers     */
 218         unsigned short  s_nreloc;       /* number of relocation entries */
 219         unsigned short  s_nlnno;        /* number of line number entries*/
 220         long            s_flags;        /* flags                        */
 221 #ifndef MIPS
 222  /* This field exists in Intel COFF, not in Mips ECOFF. */
 223         unsigned long   s_align;        /* section alignment            */
 224 #endif
 225 };
 226
 227 struct external_scnhdr {
 228         char            s_name[8];      /* section name                 */
 229         char            s_paddr[4];     /* physical address, aliased s_nlib */
 230         char            s_vaddr[4];     /* virtual address              */
 231         char            s_size[4];      /* section size                 */
 232         char            s_scnptr[4];    /* file ptr to raw data for section */
 233         char            s_relptr[4];    /* file ptr to relocation       */
 234         char            s_lnnoptr[4];   /* file ptr to line numbers     */
 235         char            s_nreloc[2];    /* number of relocation entries */
 236         char            s_nlnno[2];     /* number of line number entries*/
 237         char            s_flags[4];     /* flags                        */
 238 #ifndef MIPS
 239  /* This field exists in Intel COFF, not in Mips ECOFF. */
 240         char            s_align[4];     /* section alignment            */
 241 #endif
 242 };
 243
 244 /*
 245  * names of "special" sections
 246  */
 247 #define _TEXT   ".text"
 248 #define _DATA   ".data"
 249 #define _BSS    ".bss"
 250
 251 /*
 252  * s_flags "type"
 253  */
 254 #define STYP_REG         (0x0000) /* "regular": allocated, relocated, loaded */
 255 #define STYP_DSECT       (0x0001) /* "dummy":  relocated only*/
 256 #define STYP_NOLOAD      (0x0002) /* "noload": allocated, relocated, not loaded */
 257 #define STYP_GROUP       (0x0004) /* "grouped": formed of input sections */
 258 #define STYP_PAD         (0x0008) /* "padding": not allocated, not relocated, loaded */
 259 #define STYP_COPY        (0x0010) /* "copy": for decision function used by field update;  not allocated, not relocated,
 260                                      loaded; reloc & lineno entries processed normally */
 261 #define STYP_TEXT        (0x0020) /* section contains text only */
 262 #define S_SHRSEG         (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
 263                                      will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
 264                                      update all process invocations. */
 265 #define STYP_DATA        (0x0040) /* section contains data only */
 266 #define STYP_BSS         (0x0080) /* section contains bss only */
 267 #define S_NEWFCN         (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */
 268 #define STYP_INFO        (0x0200) /* comment: not allocated not relocated, not loaded */
 269 #define STYP_OVER        (0x0400) /* overlay: relocated not allocated or loaded */
 270 #define STYP_LIB         (0x0800) /* for .lib: same as INFO */
 271 #define STYP_MERGE       (0x2000) /* merge section -- combines with text, data or bss sections only */
 272 #define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions wherever padding is necessary and there is a
 273                                      word of contiguous bytes beginning on a word boundary. */
 274
 275 #define SCNHDR  struct external_scnhdr
 276 #define SCNHSZ  sizeof(SCNHDR)
 277
 278
 279 /********************** LINE NUMBERS **********************/
 280
 281 /* 1 line number entry for every "breakpointable" source line in a section.
 282  * Line numbers are grouped on a per function basis; first entry in a function
 283  * grouping will have l_lnno = 0 and in place of physical address will be the
 284  * symbol table index of the function name.
 285  */
 286 struct external_lineno {
 287         union {
 288                 char l_symndx[4];       /* function name symbol index, iff l_lnno == 0*/
 289                 char l_paddr[4];        /* (physical) address of line number    */
 290         } l_addr;
 291         char l_lnno[2];         /* line number          */
 292         char padding[2];        /* force alignment      */
 293 };
 294
 295 struct internal_lineno {
 296         union {
 297                 long l_symndx;  /* function name symbol index, iff l_lnno == 0*/
 298                 long l_paddr;   /* (physical) address of line number    */
 299         } l_addr;
 300         unsigned short  l_lnno; /* line number          */
 301 };
 302
 303 #define LINENO  struct external_lineno
 304 #define LINESZ  8
 305
 306
 307 /********************** SYMBOLS **********************/
 308
 309 #define SYMNMLEN        8       /* # characters in a symbol name        */
 310 #define FILNMLEN        14      /* # characters in a file name          */
 311 #define DIMNUM          4       /* # array dimensions in auxiliary entry */
 312
 313 struct external_syment
 314 {
 315   union {
 316     char e_name[SYMNMLEN];
 317     struct {
 318       char e_zeroes[4];
 319       char e_offset[4];
 320     } e;
 321   } e;
 322   char e_value[4];
 323   char e_scnum[2];
 324   char e_flags[2];
 325   char e_type[4];
 326   char e_sclass[1];
 327   char e_numaux[1];
 328   char pad2[2];
 329 };
 330
 331
 332 struct internal_syment {
 333         union {
 334                 char    _n_name[SYMNMLEN];      /* old COFF version     */
 335                 struct {
 336                         long    _n_zeroes;      /* new == 0             */
 337                         long    _n_offset;      /* offset into string table */
 338                 } _n_n;
 339                 char    *_n_nptr[2];    /* allows for overlaying        */
 340         } _n;
 341         long            n_value;        /* value of symbol              */
 342         short           n_scnum;        /* section number               */
 343         unsigned short  n_flags;        /* copy of flags from filhdr    */
 344         unsigned long   n_type;         /* type and derived type        */
 345         char            n_sclass;       /* storage class                */
 346         char            n_numaux;       /* number of aux. entries       */
 347 };
 348
 349 /*
 350  * Relocatable symbols have number of the section in which they are defined,
 351  * or one of the following:
 352  */
 353 #define N_UNDEF ((short)0)  /* undefined symbol */
 354 #define N_ABS   ((short)-1) /* value of symbol is absolute */
 355 #define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */
 356 #define N_TV    ((short)-3) /* indicates symbol needs preload transfer vector */
 357 #define P_TV    ((short)-4) /* indicates symbol needs postload transfer vector*/
 358
 359 /*
 360  * Type of a symbol, in low 4 bits of the word
 361  */
 362 #define T_NULL          0
 363 #define T_VOID          1       /* function argument (only used by compiler) */
 364 #define T_CHAR          2       /* character            */
 365 #define T_SHORT         3       /* short integer        */
 366 #define T_INT           4       /* integer              */
 367 #define T_LONG          5       /* long integer         */
 368 #define T_FLOAT         6       /* floating point       */
 369 #define T_DOUBLE        7       /* double word          */
 370 #define T_STRUCT        8       /* structure            */
 371 #define T_UNION         9       /* union                */
 372 #define T_ENUM          10      /* enumeration          */
 373 #define T_MOE           11      /* member of enumeration*/
 374 #define T_UCHAR         12      /* unsigned character   */
 375 #define T_USHORT        13      /* unsigned short       */
 376 #define T_UINT          14      /* unsigned integer     */
 377 #define T_ULONG         15      /* unsigned long        */
 378 #define T_LNGDBL        16      /* long double          */
 379
 380 /*
 381  * derived types, in n_type
 382 */
 383 #define DT_NON          (0)     /* no derived type */
 384 #define DT_PTR          (1)     /* pointer */
 385 #define DT_FCN          (2)     /* function */
 386 #define DT_ARY          (3)     /* array */
 387
 388 #define N_BTMASK        (0x1f)
 389 #define N_TMASK         (0x60)
 390 #define N_BTSHFT        (5)
 391 #define N_TSHIFT        (2)
 392
 393 #define BTYPE(x)        ((x) & N_BTMASK)
 394
 395 #define ISPTR(x)        (((x) & N_TMASK) == (DT_PTR << N_BTSHFT))
 396 #define ISFCN(x)        (((x) & N_TMASK) == (DT_FCN << N_BTSHFT))
 397 #define ISARY(x)        (((x) & N_TMASK) == (DT_ARY << N_BTSHFT))
 398
 399 #define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK))
 400 union external_auxent {
 401         struct {
 402                 char x_tagndx[4];       /* str, un, or enum tag indx */
 403                 union {
 404                         struct {
 405                             char  x_lnno[2]; /* declaration line number */
 406                             char  x_size[2]; /* str/union/array size */
 407                         } x_lnsz;
 408                         char x_fsize[4];        /* size of function */
 409                 } x_misc;
 410                 union {
 411                         struct {                /* if ISFCN, tag, or .bb */
 412                             char x_lnnoptr[4];  /* ptr to fcn line # */
 413                             char x_endndx[4];   /* entry ndx past block end */
 414                         } x_fcn;
 415                         struct {                /* if ISARY, up to 4 dimen. */
 416                             char x_dimen[DIMNUM][2];
 417                         } x_ary;
 418                 } x_fcnary;
 419                 char x_tvndx[2];                /* tv index */
 420         } x_sym;
 421
 422         union {
 423                 char x_fname[FILNMLEN];
 424                 struct {
 425                         char x_zeroes[4];
 426                         char x_offset[4];
 427                 } x_n;
 428         } x_file;
 429
 430         struct {
 431                 char x_scnlen[4];                       /* section length */
 432                 char x_nreloc[2];       /* # relocation entries */
 433                 char x_nlinno[2];       /* # line numbers */
 434         } x_scn;
 435
 436         struct {
 437                 char x_tvfill[4];       /* tv fill value */
 438                 char x_tvlen[2];        /* length of .tv */
 439                 char x_tvran[2][2];     /* tv range */
 440         } x_tv;         /* info about .tv section (in auxent of symbol .tv)) */
 441
 442         /******************************************
 443          *  I960-specific *2nd* aux. entry formats
 444          ******************************************/
 445         struct {
 446           /* This is a very old typo that keeps getting propagated. */
 447 #define x_stdindx x_stindx
 448                 char x_stindx[4];       /* sys. table entry */
 449         } x_sc; /* system call entry */
 450
 451         struct {
 452                 char x_balntry[4]; /* BAL entry point */
 453         } x_bal; /* BAL-callable function */
 454
 455         struct {
 456                 char x_timestamp[4];            /* time stamp */
 457                 char    x_idstring[20];         /* producer identity string */
 458         } x_ident;                              /* Producer ident info */
 459
 460 };
 461
 462 union   internal_auxent {
 463         struct {
 464                 long x_tagndx;  /* str, un, or enum tag indx */
 465                 union {
 466                         struct {
 467                             unsigned short x_lnno; /* declaration line number */
 468                             unsigned short x_size; /* str/union/array size */
 469                         } x_lnsz;
 470                         long x_fsize;   /* size of function */
 471                 } x_misc;
 472                 union {
 473                         struct {                /* if ISFCN, tag, or .bb */
 474                             long x_lnnoptr;     /* ptr to fcn line # */
 475                             long x_endndx;      /* entry ndx past block end */
 476                         } x_fcn;
 477                         struct {                /* if ISARY, up to 4 dimen. */
 478                             unsigned short x_dimen[DIMNUM];
 479                         } x_ary;
 480                 } x_fcnary;
 481                 unsigned short x_tvndx;         /* tv index */
 482         } x_sym;
 483
 484         union {
 485                 char x_fname[FILNMLEN];
 486                 struct {
 487                         long x_zeroes;
 488                         long x_offset;
 489                 } x_n;
 490         } x_file;
 491
 492         struct {
 493                 long x_scnlen;                  /* section length */
 494                 unsigned short x_nreloc;        /* # relocation entries */
 495                 unsigned short x_nlinno;        /* # line numbers */
 496         } x_scn;
 497
 498         struct {
 499                 long            x_tvfill;       /* tv fill value */
 500                 unsigned short  x_tvlen;        /* length of .tv */
 501                 unsigned short  x_tvran[2];     /* tv range */
 502         } x_tv;         /* info about .tv section (in auxent of symbol .tv)) */
 503
 504         /******************************************
 505          *  I960-specific *2nd* aux. entry formats
 506          ******************************************/
 507         struct {
 508 /* This is a very old typo that keeps getting propagated. */
 509 #define x_stdindx x_stindx
 510                 long x_stindx;  /* sys. table entry */
 511         } x_sc; /* system call entry */
 512
 513         struct {
 514                 unsigned long x_balntry; /* BAL entry point */
 515         } x_bal; /* BAL-callable function */
 516
 517         struct {
 518                 unsigned long   x_timestamp;            /* time stamp */
 519                 char    x_idstring[20];         /* producer identity string */
 520         } x_ident;                              /* Producer ident info */
 521
 522
 523 };
 524
 525 #define SYMENT  struct external_syment
 526 #define SYMESZ  sizeof(SYMENT)                  /* FIXME - calc by hand */
 527 #define AUXENT  union external_auxent
 528 #define AUXESZ  sizeof(AUXENT)                  /* FIXME - calc by hand */
 529
 530 #       define _ETEXT   "_etext"
 531
 532 /********************** RELOCATION DIRECTIVES **********************/
 533
 534 struct external_reloc {
 535   char r_vaddr[4];
 536   char r_symndx[4];
 537   char r_type[2];
 538   char pad[2];
 539 };
 540
 541 struct internal_reloc {
 542         long r_vaddr;           /* Virtual address of reference */
 543         long r_symndx;          /* Index into symbol table      */
 544         unsigned short r_type;  /* Relocation type              */
 545 };
 546
 547 /* Relevent values for r_type and i960.  Would someone please document them */
 548
 549 #define R_RELLONG       (0x11)  /* Direct 32-bit relocation */
 550 #define R_IPRSHORT      (0x18)
 551 #define R_IPRMED        (0x19)  /* 24-bit ip-relative relocation */
 552 #define R_IPRLONG       (0x1a)
 553 #define R_OPTCALL       (0x1b)  /* 32-bit optimizable call (leafproc/sysproc) */
 554 #define R_OPTCALLX      (0x1c)  /* 64-bit optimizable call (leafproc/sysproc) */
 555 #define R_GETSEG        (0x1d)
 556 #define R_GETPA         (0x1e)
 557 #define R_TAGWORD       (0x1f)
 558
 559 #define RELOC struct external_reloc
 560 #define RELSZ 12
 561
 562 #define DEFAULT_DATA_SECTION_ALIGNMENT 4
 563 #define DEFAULT_BSS_SECTION_ALIGNMENT 4
 564 #define DEFAULT_TEXT_SECTION_ALIGNMENT 16
 565 /* For new sections we havn't heard of before */
 566 #define DEFAULT_SECTION_ALIGNMENT 4