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Annotation of 40BSD/cmd/pascal/objfmt.h, revision 1.1.1.1

1.1       root        1: /* Copyright (c) 1979 Regents of the University of California */
                      2: 
                      3: /* static      char sccsid[] = "@(#)objfmt.h 1.2 10/4/80"; */
                      4: 
                      5: #ifdef OBJ
                      6:        /*
                      7:         *      the creation time, the size and the magic number of the obj file
                      8:         */
                      9:     struct pxhdr {
                     10:            int maketime;
                     11:            int objsize;
                     12:            short       magicnum;
                     13:     };
                     14: 
                     15: #   define     HEADER_BYTES    1024            /* the size of px_header */
                     16: #   define PX_HEADER "/usr/lib/px_header"      /* px_header's name */
                     17: #   define PX_INTRP "/usr/ucb/px"              /* the interpreter's name */
                     18: #endif OBJ
                     19: 
                     20:     /*
                     21:      * the file of error messages created by mkstr
                     22:      */
                     23: #ifdef OBJ
                     24: #   define     ERR_STRNGS      "/usr/lib/pi2.0strings"
                     25: #   define     ERR_PATHLEN     9
                     26: #endif OBJ
                     27: #ifdef PC
                     28: #   define     ERR_STRNGS      "/usr/lib/pc2.0strings"
                     29: #   define     ERR_PATHLEN     9
                     30: #endif PC
                     31: 
                     32:            /*
                     33:             *  these are because of varying sizes of pointers
                     34:             */
                     35: #ifdef VAX
                     36: #      define INDX 2                           /* log2 of sizeof( * ) */
                     37: #      define PTR_AS O_AS4
                     38: #      define PTR_RV O_RV4
                     39: #      define PTR_IND O_IND4
                     40: #      define PTR_DCL unsigned long            /* for pointer variables */
                     41: #      define SHORTADDR 32768                  /* maximum short address */
                     42: #      define TOOMUCH 65536                    /* maximum variable size */
                     43: #      define MAXSET 65536                     /* maximum set size */
                     44:            /*
                     45:             * Offsets due to the structure of the runtime stack.
                     46:             * DPOFF1   is the amount of fixed storage in each block allocated
                     47:             *          as local variables for the runtime system.
                     48:             *          since locals are allocated negative offsets,
                     49:             *          -DPOFF1 is the last used implicit local offset.
                     50:             * DPOFF2   is the size of the block mark.
                     51:             *          since arguments are allocated positive offsets,
                     52:             *          DPOFF2 is the end of the implicit arguments.
                     53:             *          for obj, the first argument has the highest offset
                     54:             *          from the stackpointer.  and the block mark is an
                     55:             *          implicit last parameter.
                     56:             *          for pc, the first argument has the lowest offset
                     57:             *          from the argumentpointer.  and the block mark is an
                     58:             *          implicit first parameter.
                     59:             */
                     60: #      ifdef OBJ
                     61: #          define DPOFF1               0
                     62: #          define DPOFF2               32
                     63: #          define INPUT_OFF            -8      /* offset of `input' */
                     64: #          define OUTPUT_OFF           -4      /* offset of `output' */
                     65: #      endif OBJ
                     66: #      ifdef   PC
                     67: #          define DPOFF1       ( sizeof rtlocs - sizeof rtlocs.unwind )
                     68: #          define DPOFF2       ( sizeof (long) )
                     69: #          define INPUT_OFF    0
                     70: #          define OUTPUT_OFF   0
                     71: #      endif PC
                     72: #      define MAGICNUM 0403                    /* obj magic number */
                     73: #endif VAX
                     74: 
                     75: #ifdef PDP11
                     76: #      define INDX 1
                     77: #      define PTR_AS O_AS2
                     78: #      define PTR_RV O_RV2
                     79: #      define PTR_IND O_IND2
                     80: #      define PTR_DCL char *
                     81: #      define TOOMUCH 50000
                     82: #      define SHORTADDR 65536
                     83: #      define MAXSET 65536                     /* maximum set size */
                     84: #      define DPOFF2 16
                     85: #      define INPUT_OFF -2
                     86: #      define OUTPUT_OFF -4
                     87: #      define MAGICNUM 0404
                     88: #endif PDP11

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