# 2.11BSD#431 - /usr/src/ucb/PORT/pascal/pdx/breakpoint.h

##### Variables

    inst_tracing      X
    tracing           X
    var_tracing       X

##### Macros

    single_stepping   X
    ss_instructions   X
    ss_lines          X
    ss_variables      X

       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:  *	@(#)breakpoint.h	5.1 (Berkeley) 6/6/85
       7:  */
       8:
       9: /*
      10:  * Breakpoint module definitions.
      11:  *
      12:  * This module contains routines that manage breakpoints at a high level.
      13:  * This includes adding and deleting breakpoints, handling the various
      14:  * types of breakpoints when they happen, management of conditions for
      15:  * breakpoints, and display information after single stepping.
      16:  */
      17:
      18: unsigned short tracing;
      19: unsigned short var_tracing;
      20: unsigned short inst_tracing;
      21:
      22: BOOLEAN isstopped;
      23:
      24: #define ss_lines        (tracing != 0)
      25: #define ss_variables        (var_tracing != 0)
      26: #define ss_instructions     (inst_tracing != 0)
      27: #define single_stepping     (ss_lines || ss_variables || ss_instructions)
      28:
      29: /*
      30:  * types of breakpoints
      31:  */
      32:
      33: typedef enum {
      34:     ALL_ON,         /* turn TRACE on */
      35:     ALL_OFF,        /* turn TRACE off */
      36:     INST,           /* trace instruction (source line) */
      37:     CALL, RETURN,       /* trace procedure/function */
      38:     BLOCK_ON,       /* set CALL breakpoint */
      39:     BLOCK_OFF,      /* clear CALL breakpoint */
      40:     TERM_ON,        /* turn TRACEVAR on */
      41:     TERM_OFF,       /* turn TRACEVAR off */
      42:     AT_BP,          /* print expression at a line */
      43:     STOP_BP,        /* stop execution */
      44:     CALLPROC,       /* return from a "call"-ed procedure */
      45:     END_BP,         /* return from program */
      46:     STOP_ON,        /* start looking for stop condition */
      47:     STOP_OFF,       /* stop looking for stop condition */
      48: } BPTYPE;
      49:
      50: /*
      51:  * Things that are on the tracing or condition list are either
      52:  * associated with the trace (implying printing) or stop commands.
      53:  */
      54:
      55: typedef enum { TRPRINT, TRSTOP } TRTYPE;
      56:
      57: /*
      58:  * routines available from this module
      59:  */
      60:
      61: addvar();       /* add a variable to the trace list */
      62: delvar();       /* delete a variable from the trace list */
      63: printvarnews();     /* print out variables that have changed */
      64: trfree();       /* free the entire trace list */
      65: addcond();      /* add a condition to the list */
      66: delcond();      /* delete a condition from the list */
      67: BOOLEAN trcond();   /* determine if any trace condition is true */
      68: BOOLEAN stopcond(); /* determine if any stop condition is true */
      69:
      70: addbp();        /* add a breakpoint */
      71: delbp();        /* delete a breakpoint, return FALSE if unsuccessful */
      72: bpfree();       /* free all breakpoint information */
      73: setallbps();        /* set traps for all breakpoints */
      74: unsetallbps();      /* remove traps at all breakpoints */
      75: BOOLEAN bpact();    /* handle a breakpoint */
      76: fixbps();       /* destroy temporary breakpoints left after a fault */
      77: status();       /* list items being traced */

#### Defined variables

inst_tracing defined in line 20; used 1 times

- in line 26

tracing defined in line 18; used 1 times

- in line 24

var_tracing defined in line 19; used 1 times

- in line 25

#### Defined macros

single_stepping defined in line 27; never used
ss_instructions defined in line 26; used 1 times

- in line 27

ss_lines defined in line 24; used 1 times

- in line 27

ss_variables defined in line 25; used 1 times

- in line 27

Last modified: 1985-06-07 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 745 |