* Copyright (c) 1982 The Regents of the University of California.
* %sccs.include.redist.c%
* @(#)process.rep 5.5 (Berkeley) %G%
* This file defines the representation of a process.
* It is MACHINE DEPENDENT.
#define NREG 12 /* maximum number of saved registers */
#define NREG 14 /* maximum number of saved registers */
#define CSIZE 101 /* size of instruction cache */
* Cache-ing of instruction segment is done to reduce the number
* This structure holds the information we need from the user structure.
int pid; /* process being traced */
WORD reg[NREG]; /* process's registers */
WORD fp, sp, pc; /* special registers */
WORD ap, fp, sp, pc; /* special registers */
WORD oreg[NREG]; /* registers when process last stopped */
WORD oap, ofp, osp, opc;/* special registers when process stopped */
int status; /* either STOPPED or FINISHED */
int signo; /* signal that stopped process */
int exitval; /* return value from exit() */
long sigset; /* bit array of traced signals */
CACHEWORD word[CSIZE]; /* text segment cache */
* Process manipulation routines local to this module.
int pstart(); /* start up a process */
int pcont(); /* continue execution */
int pstep(); /* single step */
int pio(); /* process memory move */
int psigtrace(); /* catch/don't catch a signal */
int unsetsigtraces(); /* don't catch any signals */
* These definitions are for the arguments to "pio".
typedef enum { PREAD, PWRITE } PIO_OP;
typedef enum { TEXTSEG, DATASEG } PIO_SEG;
/* macros for things that used to be functions */
#define iread(buf, addr, nbytes) dread(buf, addr+ENDOFF, nbytes)
#define iwrite(buf, addr, nbytes) dwrite(buf, addr+ENDOFF, nbytes)
#define dread(buf, addr, nbytes) drdwr(PREAD, buf, addr, nbytes)
#define dwrite(buf, addr, nbytes) drdwr(PWRITE, buf, addr, nbytes)