int stub_main(int arch_reason)
{
int ret;
int gdb_signal;
gdb_signal = decode_signal(arch_reason);
/* Do not announce stop reply if we were detached. */
if (isattached) {
send_stop_reply(gdb_signal);
}
/* We are now attached. */
isattached = 1;
do {
int cmd;
char *p;
while (getpkt(&pktbuf[0], sizeof(pktbuf)) < 1);
p = &pktbuf[0];
cmd = *p;
if ('?' == cmd) {
send_stop_reply(gdb_signal);
ret = 0;
} else if ('c' == cmd) {
ret = handle_c(p);
} else if ('s' == cmd) {
ret = handle_s(p);
} else if ('D' == cmd) {
ret = handle_D(p);
if (ret & CMD_LEAVE) {
isattached = 0;
}
} else if ('g' == cmd) {
ret = handle_g(p);
} else if ('G' == cmd) {
ret = handle_G(p);
} else if ('P' == cmd) {
ret = handle_P(p);
} else if ('m' == cmd) {
ret = handle_m(p);
} else if ('M' == cmd) {
ret = handle_M(p);
} else {
/*
* For any command not supported by the stub, an empty
* response ('$#00') should be returned.
*/
p = "";
ret = CMD_REPLY;
}
if (ret & CMD_REPLY) {
putpkt(p);
}
} while (!(ret & CMD_LEAVE));
return ret;
}
int
trapcmd(int argc, char **argv)
{
char *action;
char **ap;
int signo;
nextopt(nullstr);
ap = argptr;
if (!*ap) {
for (signo = 0 ; signo < NSIG ; signo++) {
if (trap[signo] != NULL) {
out1fmt(
"trap -- %s %s\n",
single_quote(trap[signo]),
signal_names[signo]
);
}
}
return 0;
}
if (!ap[1])
action = NULL;
else
action = *ap++;
while (*ap) {
if ((signo = decode_signal(*ap, 0)) < 0) {
outfmt(out2, "trap: %s: bad trap\n", *ap);
return 1;
}
INTOFF;
if (action) {
if (action[0] == '-' && action[1] == '\0')
action = NULL;
else {
if (*action)
trapcnt++;
action = savestr(action);
}
}
if (trap[signo]) {
if (*trap[signo])
trapcnt--;
ckfree(trap[signo]);
}
trap[signo] = action;
if (signo != 0)
setsignal(signo);
INTON;
ap++;
}
return 0;
}
