#define PCB_DBREGS 0x02 /* process using debug registers */
#define FP_VIRTFP 0x04 /* virtual kernel wants exception */
caddr_t pcb_onfault; /* copyin/out fault recovery */
- int pcb_unused;
+ int pcb_onfault_sp; /* validate onfault state */
struct pcb_ext *pcb_ext; /* optional pcb extension */
u_long __pcb_spare[3]; /* adjust to avoid core dump size changes */
};