Return to frame.rep CVS log

Up to [CSRG BSD Unix] / 42BSD / ucb / pascal / pdx / runtime

Annotation of 42BSD/ucb/pascal/pdx/runtime/frame.rep, revision 1.1

1.1     ! root        1: /* Copyright (c) 1982 Regents of the University of California */
        !             2: 
        !             3: /* static char sccsid[] = "@(#)frame.rep 1.2 1/18/82"; */
        !             4: 
        !             5: /*
        !             6:  * Definitions for accessing stack frames.
        !             7:  */
        !             8: 
        !             9: #define MAINBLK                1
        !            10: 
        !            11: /*
        !            12:  * Structure of an activation record's block mark.  See the
        !            13:  * PX implementation notes for more details.
        !            14:  */
        !            15: 
        !            16: struct frame {
        !            17:        ADDRESS stackref;       /* for px self-checking */
        !            18:        ADDRESS file;           /* current file information */
        !            19:        ADDRESS blockp;         /* pointer to current block name */
        !            20:        ADDRESS *save_loc;      /* saved local variable pointer */
        !            21:        ADDRESS *save_disp;     /* saved dp contents */
        !            22:        ADDRESS *save_dp;       /* saved dp */
        !            23:        ADDRESS save_pc;        /* saved location counter */
        !            24:        int save_lino;          /* saved source line number (never used) */
        !            25: };
        !            26: 
        !            27: FRAME *curframe();             /* get the currently active frame */
        !            28: FRAME *nextframe();            /* go up the stack */
        !            29: FRAME *findframe();            /* find the frame for a given function */
        !            30: ADDRESS entry();               /* get the entry address for a frame */
        !            31: ADDRESS *dispval();            /* display associated with a given block */
        !            32: ADDRESS *curdp();              /* return current display pointer */
        !            33: ADDRESS *contents();           /* return the contents of display pointer */
        !            34: ADDRESS stkaddr();             /* stack address associated with a frame */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.