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Annotation of 43BSDReno/pgrm/pascal/pdx/process/pxinfo.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1980 Regents of the University of California.
                      3:  * All rights reserved.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  *
                      6:  *     @(#)pxinfo.h    5.3 (Berkeley) 1/9/89
                      7:  */
                      8: 
                      9: /*
                     10:  * This is the information we get after the initial trap that px does.
                     11:  * By passing the "-d" flag, we cause px to call a procedure with the
                     12:  * the following information:
                     13:  *
                     14:  *     address of the display
                     15:  *     address of the display pointer
                     16:  *     address of the beginning of the object code
                     17:  *
                     18:  *     the address of the program counter used in the interpreter procedure
                     19:  *             (px actually keeps the pc in a register if it can, but stores
                     20:  *              it in this location each time around the interpreter loop.)
                     21:  *     the address of the main interpreter loop (past the store of pc)
                     22:  */
                     23: 
                     24: #ifdef tahoe
                     25: typedef struct {
                     26:        short trp_savemask;
                     27:        short trp_removed;
                     28:        int trp_oldfp;
                     29:        ADDRESS *disp;
                     30:        ADDRESS *dp;
                     31:        ADDRESS objstart;
                     32:        ADDRESS pcaddr;
                     33:        ADDRESS loopaddr;
                     34: } TRAPARGS;
                     35: #else
                     36: typedef struct {
                     37:        int nargs;
                     38:        ADDRESS *disp;
                     39:        ADDRESS *dp;
                     40:        ADDRESS objstart;
                     41:        ADDRESS pcaddr;
                     42:        ADDRESS loopaddr;
                     43: } TRAPARGS;
                     44: #endif
                     45: 
                     46: ADDRESS *DISPLAY;
                     47: ADDRESS *DP;
                     48: ADDRESS ENDOFF;
                     49: ADDRESS PCADDR;
                     50: ADDRESS LOOPADDR;
                     51: #ifdef tahoe
                     52: ADDRESS RETLOC;
                     53: ADDRESS INTFP;
                     54: #endif

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