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Annotation of 40BSD/cmd/adb/defs.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * adb - vax string table version; common definitions
                      3:  */
                      4: 
                      5: #include <sys/param.h>
                      6: #include <sys/dir.h>
                      7: #include <sys/psl.h>
                      8: #include <sys/user.h>
                      9: #include <ctype.h>
                     10: #include <a.out.h>
                     11: 
                     12: #include "mac.h"
                     13: #include "mode.h"
                     14: #include "head.h"
                     15: 
                     16: /* access modes */
                     17: #define RD     0
                     18: #define WT     1
                     19: 
                     20: #define NSP    0
                     21: #define        ISP     1
                     22: #define        DSP     2
                     23: #define STAR   4
                     24: #define STARCOM 0200
                     25: 
                     26: /*
                     27:  * Symbol types, used internally in calls to findsym routine.
                     28:  * One the VAX this all degenerates since I & D symbols are indistinct.
                     29:  * Basically we get NSYM==0 for `=' command, ISYM==DSYM otherwise.
                     30:  */
                     31: #define NSYM   0
                     32: #define DSYM   1               /* Data space symbol */
                     33: #define ISYM   DSYM            /* Instruction space symbol == DSYM on VAX */
                     34: 
                     35: #define BKPTSET        1
                     36: #define BKPTEXEC 2
                     37: 
                     38: #define USERPS PSL
                     39: #define USERPC PC
                     40: #define BPT    03
                     41: #define TBIT   020
                     42: #define FD     0200
                     43: #define        SETTRC  0
                     44: #define        RDUSER  2
                     45: #define        RIUSER  1
                     46: #define        WDUSER  5
                     47: #define WIUSER 4
                     48: #define        RUREGS  3
                     49: #define        WUREGS  6
                     50: #define        CONTIN  7
                     51: #define        EXIT    8
                     52: #define SINGLE 9
                     53: 
                     54: /* the quantities involving ctob() are located in the kernel stack. */
                     55: /* the others are in the pcb. */
                     56: #define KSP    0
                     57: #define ESP    4
                     58: #define SSP    8
                     59: #define USP    (ctob(UPAGES)-5*sizeof(int))
                     60: #define R0     (ctob(UPAGES)-18*sizeof(int))
                     61: #define R1     (ctob(UPAGES)-17*sizeof(int))
                     62: #define R2     (ctob(UPAGES)-16*sizeof(int))
                     63: #define R3     (ctob(UPAGES)-15*sizeof(int))
                     64: #define R4     (ctob(UPAGES)-14*sizeof(int))
                     65: #define R5     (ctob(UPAGES)-13*sizeof(int))
                     66: #define R6     (ctob(UPAGES)-12*sizeof(int))
                     67: #define R7     (ctob(UPAGES)-11*sizeof(int))
                     68: #define R8     (ctob(UPAGES)-10*sizeof(int))
                     69: #define R9     (ctob(UPAGES)-9*sizeof(int))
                     70: #define R10    (ctob(UPAGES)-8*sizeof(int))
                     71: #define R11    (ctob(UPAGES)-7*sizeof(int))
                     72: #define AP     (ctob(UPAGES)-21*sizeof(int))
                     73: #define FP     (ctob(UPAGES)-20*sizeof(int))
                     74: #define PC     (ctob(UPAGES)-2*sizeof(int))
                     75: #define PSL    (ctob(UPAGES)-1*sizeof(int))
                     76: #define P0BR   80
                     77: #define P0LR   84
                     78: #define P1BR   88
                     79: #define P1LR   92
                     80: 
                     81: #define MAXOFF 255
                     82: #define MAXPOS 80
                     83: #define MAXLIN 128
                     84: #define EOF    0
                     85: #define EOR    '\n'
                     86: #define SP     ' '
                     87: #define TB     '\t'
                     88: #define QUOTE  0200
                     89: #define STRIP  0177
                     90: #define LOBYTE 0377
                     91: #define EVEN   -2
                     92: 
                     93: /* long to ints and back (puns) */
                     94: union {
                     95:        INT     I[2];
                     96:        L_INT   L;
                     97: } itolws;
                     98: 
                     99: #ifndef vax
                    100: #define leng(a)                ((long)((unsigned)(a)))
                    101: #define shorten(a)     ((int)(a))
                    102: #define itol(a,b)      (itolws.I[0]=(a), itolws.I[1]=(b), itolws.L)
                    103: #else
                    104: #define leng(a)                itol(0,a)
                    105: #define shorten(a)     ((short)(a))
                    106: #define itol(a,b)      (itolws.I[0]=(b), itolws.I[1]=(a), itolws.L)
                    107: #endif
                    108: 
                    109: /* result type declarations */
                    110: L_INT          inkdot();
                    111: POS            get();
                    112: POS            chkget();
                    113: STRING         exform();
                    114: L_INT          round();
                    115: BKPTR          scanbkpt();
                    116: VOID           fault();

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