/*
* print the registers
*/
void
printregs(int c)
{
Reglist *rp;
int i;
uvlong v;
for (i = 1, rp = mach->reglist; rp->rname; rp++, i++) {
if ((rp->rflags & RFLT)) {
if (c != 'R')
continue;
if (rp->rformat == '8' || rp->rformat == '3')
continue;
}
v = getreg(cormap, rp);
if(rp->rformat == 'Y')
dprint("%-8s %-20#llux", rp->rname, v);
else
dprint("%-8s %-12#lux", rp->rname, (ulong)v);
if ((i % 3) == 0) {
dprint("\n");
i = 0;
}
}
if (i != 1)
dprint("\n");
dprint ("%s\n", machdata->excep(cormap, rget));
printpc();
}
/*
* print the registers
*/
void
printregs(int c)
{
Regdesc *rp;
int i;
ADDR u;
if(correg == nil){
dprint("registers not mapped\n");
return;
}
for (i = 1, rp = mach->reglist; rp->name; rp++, i++) {
if ((rp->flags & RFLT)) {
if (c != 'R')
continue;
if (rp->format == '8' || rp->format == '3')
continue;
}
rget(correg, rp->name, &u);
if(rp->format == 'Y')
dprint("%-8s %-20#llux", rp->name, (uvlong)u);
else
dprint("%-8s %-12#lux", rp->name, (ulong)u);
if ((i % 3) == 0) {
dprint("\n");
i = 0;
}
}
if (i != 1)
dprint("\n");
dprint ("%s\n", mach->exc(cormap, correg));
printpc();
}
void
samples(void)
{
int i, pid, msec;
struct timespec req;
req.tv_sec = delta_msec/1000;
req.tv_nsec = 1000000*(delta_msec % 1000);
for(msec = 0; total_sec <= 0 || msec < 1000*total_sec; msec += delta_msec) {
nsample++;
nsamplethread += nthread;
for(i = 0; i < nthread; i++) {
pid = thread[i];
if(ctlproc(pid, "stop") < 0)
return;
if(!sample(map[i])) {
ctlproc(pid, "start");
return;
}
printpc(map[i], ureg.ip, ureg.sp);
ctlproc(pid, "start");
}
nanosleep(&req, NULL);
getthreads();
if(nthread == 0)
break;
}
}
void
samples(void)
{
int i, pid, msec;
struct timespec req;
int getmaps;
req.tv_sec = delta_msec/1000;
req.tv_nsec = 1000000*(delta_msec % 1000);
getmaps = 0;
if(pprof)
getmaps= 1;
for(msec = 0; total_sec <= 0 || msec < 1000*total_sec; msec += delta_msec) {
nsample++;
nsamplethread += nthread;
for(i = 0; i < nthread; i++) {
pid = thread[i];
if(ctlproc(pid, "stop") < 0)
return;
if(!sample(map[i])) {
ctlproc(pid, "start");
return;
}
printpc(map[i], arch->uregPC(), arch->uregSP());
ctlproc(pid, "start");
}
nanosleep(&req, NULL);
getthreads();
if(nthread == 0)
break;
if(getmaps) {
getmaps = 0;
ppmaps();
}
}
}
runpcs(int runmode, int keepnote)
{
int rc;
BKPT *bkpt;
rc = 0;
if (adrflg)
rput(cormap, mach->pc, dot);
dot = rget(cormap, mach->pc);
flush();
while (loopcnt-- > 0) {
if(loopcnt != 0)
printpc();
if (runmode == SINGLE) {
bkpt = scanbkpt(dot);
if (bkpt) {
switch(bkpt->flag){
case BKPTTMP:
bkpt->flag = BKPTCLR;
break;
case BKPTSKIP:
bkpt->flag = BKPTSET;
break;
}
}
runstep(dot, keepnote);
} else {
if ((bkpt = scanbkpt(rget(cormap, mach->pc))) != 0) {
execbkpt(bkpt, keepnote);
keepnote = 0;
}
setbp();
runrun(keepnote);
}
keepnote = 0;
delbp();
dot = rget(cormap, mach->pc);
/* real note? */
if (nnote > 0) {
keepnote = 1;
rc = 0;
continue;
}
bkpt = scanbkpt(dot);
if(bkpt == 0){
keepnote = 0;
rc = 0;
continue;
}
/* breakpoint */
if (bkpt->flag == BKPTTMP)
bkpt->flag = BKPTCLR;
else if (bkpt->flag == BKPTSKIP) {
execbkpt(bkpt, keepnote);
keepnote = 0;
loopcnt++; /* we didn't really stop */
continue;
}
else {
bkpt->flag = BKPTSKIP;
--bkpt->count;
if ((bkpt->comm[0] == EOR || command(bkpt->comm, ':') != 0)
&& bkpt->count != 0) {
execbkpt(bkpt, keepnote);
keepnote = 0;
loopcnt++;
continue;
}
bkpt->count = bkpt->initcnt;
}
rc = 1;
}
return(rc);
}
docommand() {
register char *p;
register int i;
register ADDR addr, bkaddr;
struct proct *procp;
char s[4];
cntval = 1;
adrflg = 0;
errflg = 0;
if (scallf) {
doscall();
setcur(1);
lastcom = NOCOM;
return;
}
if (reflag) { /* search for regular expression */
dore();
lastcom = PRCOM;
return;
}
if (cmd == '\0') {
if (integ != 0 && var[0] != '\0') {
error("Invalid command (1)");
return;
}
if (integ != 0) { /* print line number */
ffind(integ);
fprint();
lastcom = PRCOM;
return;
}
if (var[0] != 0) {
printf("Unexpected null command\n");
return;
}
}
switch (cmd) {
case 'Y':
debug = !debug;
break;
case 'V':
version();
break;
case 'M':
if (args[0]) {
setmap(args);
} else {
printmap("? map", &txtmap);
printmap("/ map", &datmap);
}
break;
case 'x':
printregs();
break;
case 'X':
printpc();
break;
case 'a':
if (integ) {
cpstr(args, "l\n");
} else if (proc[0]) {
cpall(args, "T\n");
} else {
error("Bad arguments");
break;
}
goto setbrk;
break;
case 'l':
setcur(1);
lastcom = NOCOM;
break;
case 'T':
prfrx(1);
lastcom = NOCOM;
break;
case 't':
prframe();
lastcom = NOCOM;
break;
case 'e':
p = args;
if (*p == '\0') {
#ifndef FLEXNAMES
printf("%.16s() in \"%s\"\n",
curproc()->pname, curfile);
#else
printf("%s() in \"%s\"\n",
curproc()->pname, curfile);
#endif
break;
}
while (*p != '\0')
if (*p++ == '.') goto l1;
/* argument is procedure name */
procp = findproc(args);
if ((procp->pname[0] != '\0') && (procp->sfptr != badfile)) {
finit(adrtofilep(procp->paddr)->sfilename);
ffind(procp->lineno);
}
else printf("Can't find %s\n", args);
#ifndef FLEXNAMES
printf("%.16s() in \"%s\"\n", curproc()->pname, curfile);
#else
printf("%s() in \"%s\"\n", curproc()->pname, curfile);
#endif
lastcom = PRCOM;
break;
l1: /* argument is filename */
finit(args);
printf("\"%s\"\n", curfile);
lastcom = PRCOM;
break;
case 'p':
if (integ) ffind(integ);
fprint();
lastcom = PRCOM;
break;
case 'q':
exit(0);
case 'w':
if (integ) ffind(integ);
i = fline;
fback(WINDOW/2);
fprintn(WINDOW);
ffind(i);
lastcom = PRCOM;
break;
case 'Q':
prdebug();
break;
case 'z':
if (integ) ffind(integ);
fprintn(WINDOW);
lastcom = PRCOM;
break;
case '-':
fback(integ ? integ : 1);
fpargs();
lastcom = PRCOM;
break;
case '+':
fforward(integ ? integ : 1);
fpargs();
lastcom = PRCOM;
break;
case '\n':
switch (lastcom) {
case PRCOM:
fforward(1);
fprint();
break;
case DSCOM:
oaddr += oincr ? oincr : typetosize(otype, WORDSIZE);
printf("0x%x/ ", oaddr);
dispf((ADDR) oaddr, odesc,
oclass == N_RSYM ? oclass : N_GSYM, otype, 0, 0, DSP);
break;
case DSICOM:
dot += oincr;
prisploc();
dispi(dot, odesc, N_GSYM, 0, 0);
break;
}
break;
case '\004':
if (!isatty(0))
exit(0);
switch (lastcom) {
case PRCOM:
fforward(1);
printf("\b");
fprintn(WINDOW);
lastcom = PRCOM;
break;
case DSICOM:
printf("\b");
for (i=0; i<WINDOW; i++) {
dot += oincr;
prisploc();
if (dispi(dot, odesc, N_GSYM, 0, 0) == -1)
break;
}
break;
case DSCOM:
printf("\b");
for (i=0; i<WINDOW; i++) {
oaddr += oincr ?
oincr : typetosize(otype, WORDSIZE);
printf("0x%x/ ", oaddr);
if (dispf((ADDR) oaddr, odesc,
oclass == N_RSYM ? oclass :
N_GSYM, otype, 0, 0, DSP) == -1)
break;
}
break;
default:
printf("\n");
}
break;
case 'r':
if (args[0] == '\0') getargs();
case 'R':
signo = 0;
cpstr(oldargs, args);
if (debug) error("calling dopcs");
if (integ) cntval = integ;
if (!executing) {
executing = TRUE;
if (integ) cntval = integ;
dopcs('r');
executing = FALSE;
}
if (debug) error("exiting dopcs");
bkaddr = -1;
goto f1;
case 'c':
signo = 0;
case 'C':
if (proc[0] != '\0' || integ != 0) {
setdot();
if (dot == -1) {
error("Cannot set temporary breakpoint");
break;
}
dopcs('b');
bkaddr = dot;
} else
bkaddr = -1;
integ = atoi(args);
f1: if (debug) error("calling dopcs");
if (integ) cntval = integ;
dopcs('c');
if (debug) error("exiting dopcs");
if (bkaddr != -1) {
ADDR dotsave;
dotsave = dot;
dot = bkaddr;
dopcs('d');
dot = dotsave;
}
if (!signo) printf("Breakpoint");
printf(" at\n");
setcur(1);
lastcom = NOCOM;
break;
case 'S':
case 's':
signo = 0;
integ = atoi(args);
singstep(integ ? integ : 1, cmd);
if (signo) printf("\n");
setcur(1);
lastcom = NOCOM;
break;
case 'g':
if (pid == 0 || signo) {
error("Not stopped at breakpoint");
break;
}
setdot();
if (dot == -1) {
error("Bad address");
break;
}
adrflg = 1;
integ = atoi(args);
if (integ) cntval = integ;
dopcs('c');
if (!signo) printf("Breakpoint");
printf(" at\n");
setcur(1);
lastcom = NOCOM;
break;
case 'k':
if (scallx) {
userpc = dot = *(ADDR *)(((ADDR)&u)+PC) = pcs;
*(ADDR *)(((ADDR)&u)+FP) = fps;
*(ADDR *)(((ADDR)&u)+AP) = aps;
if (bkpts)
bkpts->flag = flagss;
scallx = 0;
error("Procedure killed");
longjmp(env, 0);
} else {
dopcs('k');
printf("\n");
lastcom = NOCOM;
break;
}
case 'B':
prbkpt();
break;
case 'b':
setbrk:
if (proc[0] == '\0' && integ == 0) {
integ = fline;
}
setdot();
if (dot == -1 || dot == 0) {
error("Cannot set breakpoint");
break;
}
dopcs('b');
s[0] = ' ';
s[1] = cmd;
s[2] = '\n';
s[3] = 0;
s[1] = cmd;
printbkpt(s, adrtoprocp(dot), dot);
break;
case 'd':
if (proc[0] == '\0' && integ == 0) {
idbkpt();
break;
}
setdot();
if (dot == -1) {
error("Non existent breakpoint");
break;
}
dopcs('d');
break;
case 'D':
dabkpt();
error("All breakpoints deleted");
break;
case 'm':
addr = varaddr(proc[0] ? proc : curproc()->pname, var);
printf("stopped with value %d\n", monex(addr, 'd'));
setcur(1);
lastcom = NOCOM;
break;
case '?':
if (!(var[0] == '.' && var[1] == '\0'))
setdot();
if (errflg) {
error(errflg);
break;
}
prisploc();
dispi(dot, args[0] ? args : "i", N_GSYM, 0, 0);
lastcom = DSICOM;
break;
case '/':
if (var[0] == '.' && var[1] == '\0') {
if (integ == 0) integ = oaddr;
dispf((ADDR) integ, args[0] ? args : odesc,
oclass == N_RSYM ? oclass : N_GSYM, otype, 0, 0, DSP);
oaddr = integ;
} else
if (integ && (var[0] == '\0')) {
dispf((ADDR) integ, args, N_GSYM, 0, 0, 0, DSP);
oaddr = integ;
cpstr(odesc, args);
oclass = N_GSYM;
otype = 0;
} else
dispvar(proc, var, args);
lastcom = DSCOM;
break;
case '=':
if (var[0] == '\0') {
if (proc[0]) {
addr = getaddr(proc, integ);
if (addr == -1) {
error("Unknown address");
break;
}
}
else
addr = integ;
dispf(addr, args[0] ? args : "x", 0, -1, 0, 0, DSP);
} else
findvar(proc, var, args[0] ? args : "x", 2);
break;
case '!':
if (var[0] == '\0')
addr = getaddr(proc, integ);
else
addr = varaddr(proc, var);
if (addr == -1)
error("Unknown variable");
else {
if (number(args[0]) || eqany(args[0], ".-")) {
char *p;
double atof();
union {
struct{
int w1, w2;
} ww;
double d;
} dbl;
p = (args[0] == '-') ? args+1 : args;
for (; *p != '.' && *p != 'e'; p++) {
if (!number(*p)) goto l2;
}
dbl.d = atof(args);
putval(addr, 'd', dbl.ww.w1);
if (typetodesc(sl_type,0)[0] == 'g')
putval(addr+WORDSIZE, 'd', dbl.ww.w2);
break;
}
l2: if (percentflag)
*(ADDR *)(((ADDR)&u)+addr) = argvalue(args);
else if (sl_class == N_RSYM && addr < 16)
putreg(addr,typetodesc(sl_type,subflag)[0],
argvalue(args));
else
putval(addr,typetodesc(sl_type,subflag)[0],
argvalue(args));
}
lastcom = NOCOM;
break;
case '"':
printf(args);
break;
}
}
void
main(int argc, char **argv)
{
int omode;
volatile int quiet;
char *s;
char *name;
quiet = 0;
name = 0;
outputinit();
maxoff = MAXOFF;
omode = OREAD;
ARGBEGIN{
default:
usage();
case 'A':
abort();
case 'k':
kflag = 1;
break;
case 'w':
omode = ORDWR;
break;
case 'I':
s = ARGF();
if(s == 0)
dprint("missing -I argument\n");
else
Ipath = s;
break;
case 'm':
name = ARGF();
if(name == 0)
dprint("missing -m argument\n");
break;
case 'q':
quiet = 1;
break;
}ARGEND
attachargs(argc, argv, omode, !quiet);
dotmap = dumbmap(-1);
/*
* show initial state and drop into the execution loop.
*/
notify(fault);
setsym();
if(setjmp(env) == 0){
if (pid || corhdr)
setcor(); /* could get error */
if (correg && !quiet) {
dprint("%s\n", mach->exc(cormap, correg));
printpc();
}
}
setjmp(env);
if (executing)
delbp();
executing = FALSE;
for (;;) {
flushbuf();
if (errmsg) {
dprint(errmsg);
printc('\n');
errmsg = 0;
exitflg = 0;
}
if (mkfault) {
mkfault=0;
printc('\n');
prints(DBNAME);
}
clrinp();
rdc();
reread();
if (eof) {
if (infile == STDIN)
done();
iclose(-1, 0);
eof = 0;
longjmp(env, 1);
}
exitflg = 0;
command(0, 0);
reread();
if (rdc() != '\n')
error("newline expected");
}
}
