BSD 4 release

[unix-history] / usr / src / cmd / px / objfmt.h

/* Copyright (c) 1979 Regents of the University of California */

/* static       char sccsid[] = "@(#)objfmt.h 4.1 10/10/80"; */

#ifdef OBJ
       /*
        *      the creation time, the size and the magic number of the obj file
        */
   struct pxhdr {
           int maketime;
           int objsize;
           short       magicnum;
   };

#   define      HEADER_BYTES    1024            /* the size of px_header */
#   define PX_HEADER "/usr/lib/px_header"       /* px_header's name */
#   define PX_INTRP "/usr/ucb/px"               /* the interpreter's name */
#endif OBJ

   /*
    *  the file of error messages created by mkstr
    */
#ifdef OBJ
#   define      ERR_STRNGS      "/usr/lib/pi2.0strings"
#   define      ERR_PATHLEN     9
#endif OBJ
#ifdef PC
#   define      ERR_STRNGS      "/usr/lib/pc2.0strings"
#   define      ERR_PATHLEN     9
#endif PC

           /*
            *  these are because of varying sizes of pointers
            */
#ifdef VAX
#       define INDX 2                           /* log2 of sizeof( * ) */
#       define PTR_AS O_AS4
#       define PTR_RV O_RV4
#       define PTR_IND O_IND4
#       define PTR_DCL unsigned long            /* for pointer variables */
#       define SHORTADDR 32768                  /* maximum short address */
#       define TOOMUCH 65536                    /* maximum variable size */
#       define MAXSET 65536                     /* maximum set size */
           /*
            * Offsets due to the structure of the runtime stack.
            * DPOFF1   is the amount of fixed storage in each block allocated
            *          as local variables for the runtime system.
            *          since locals are allocated negative offsets,
            *          -DPOFF1 is the last used implicit local offset.
            * DPOFF2   is the size of the block mark.
            *          since arguments are allocated positive offsets,
            *          DPOFF2 is the end of the implicit arguments.
            *          for obj, the first argument has the highest offset
            *          from the stackpointer.  and the block mark is an
            *          implicit last parameter.
            *          for pc, the first argument has the lowest offset
            *          from the argumentpointer.  and the block mark is an
            *          implicit first parameter.
            */
#       ifdef OBJ
#           define DPOFF1               0
#           define DPOFF2               32
#           define INPUT_OFF            -8      /* offset of `input' */
#           define OUTPUT_OFF           -4      /* offset of `output' */
#       endif OBJ
#       ifdef   PC
#           define DPOFF1       ( sizeof rtlocs - sizeof rtlocs.unwind )
#           define DPOFF2       ( sizeof (long) )
#           define INPUT_OFF    0
#           define OUTPUT_OFF   0
#       endif PC
#       define MAGICNUM 0403                    /* obj magic number */
#endif VAX

#ifdef PDP11
#       define INDX 1
#       define PTR_AS O_AS2
#       define PTR_RV O_RV2
#       define PTR_IND O_IND2
#       define PTR_DCL char *
#       define TOOMUCH 50000
#       define SHORTADDR 65536
#       define MAXSET 65536                     /* maximum set size */
#       define DPOFF2 16
#       define INPUT_OFF -2
#       define OUTPUT_OFF -4
#       define MAGICNUM 0404
#endif PDP11