Commit | Line | Data |
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2eef2279 ML |
1 | /* Copyright (c) 1982 Regents of the University of California */ |
2 | ||
514bd573 | 3 | /* static char sccsid[] = "@(#)machine.h 1.3 %G%"; */ |
2eef2279 ML |
4 | |
5 | /* | |
6 | * Definitions for the machine module. | |
7 | * | |
8 | * This module has the low level machine interface. This consists | |
9 | * mostly of dealing with machine instructions and also setting | |
10 | * and unsetting breakpoints. | |
11 | */ | |
12 | ||
13 | ADDRESS pc; /* current program counter */ | |
14 | LINENO curline; /* line number associated with pc */ | |
15 | SYM *curfunc; /* pointer to active function symbol */ | |
16 | short errnum; /* current error number */ | |
17 | ||
18 | setbp(); /* set a breakpoint */ | |
19 | unsetbp(); /* unset a breakpoint */ | |
20 | BOOLEAN isbperr(); /* test if a breakpoint has occurred */ | |
21 | printerror(); /* print out an execution error message */ | |
22 | ADDRESS nextaddr(); /* address of next line to be executed */ | |
514bd573 | 23 | BOOLEAN isendofproc(); /* test if address is at end of procedure */ |
2eef2279 ML |
24 | printinst(), printninst(); /* print the instruction at a given address */ |
25 | printdata(), printndata(); /* print the contents of a given data address */ |