pagefault
goto pagefault;
goto pagefault;
goto pagefault;
pagefault: {
int rv = pagefault(faultmap, faultva, ftype, usertrap);
int rv = pagefault(faultmap, faultva, VM_PROT_READ|VM_PROT_EXECUTE,
int rv = pagefault(faultmap, faultva, ftype, usertrap);
int rv = pagefault(faultmap, faultva, VM_PROT_READ|VM_PROT_EXECUTE,
signal_intr_establish(SIGBUS, pagefault);
signal_intr_establish(SIGSEGV, pagefault);
static sigfunc_t pagefault;