}
send_gdb "where\n"
gdb_expect {
- -re ".*(\[0-9\]+)\[ \t\]+$hex in spin \\(vp=(0x\[0-9a-f\]+).*\r\n$gdb_prompt $" {
+ -re ".*(\[0-9\]+)\[ \t\]+$hex (\\\[PAC\\\] )?in spin \\(vp=(0x\[0-9a-f\]+).*\r\n$gdb_prompt $" {
if {[info exists tarr($number)]} {
fail "backtrace of thread number $number in spin"
} else {