[unix-history] / usr / src / usr.bin / pascal / pdx / machine.h

/* Copyright (c) 1982 Regents of the University of California */

static char sccsid[] = "@(#)machine.h 1.1 %G%";

/*
 * Definitions for the machine module.
 *
 * This module has the low level machine interface.  This consists
 * mostly of dealing with machine instructions and also setting
 * and unsetting breakpoints.
 */

ADDRESS pc;			/* current program counter */
LINENO curline;			/* line number associated with pc */
SYM *curfunc;			/* pointer to active function symbol */
short errnum;			/* current error number */

setbp();			/* set a breakpoint */
unsetbp();			/* unset a breakpoint */
BOOLEAN isbperr();		/* test if a breakpoint has occurred */
printerror();			/* print out an execution error message */
ADDRESS nextaddr();		/* address of next line to be executed */
printinst(), printninst();	/* print the instruction at a given address */
printdata(), printndata();	/* print the contents of a given data address */
Commit	Line	Data
2eef2279 ML	1	/* Copyright (c) 1982 Regents of the University of California */
	2
	3	static char sccsid[] = "@(#)machine.h 1.1 %G%";
	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 */
	23	printinst(), printninst(); /* print the instruction at a given address */
	24	printdata(), printndata(); /* print the contents of a given data address */