PCTX 176 arch/alpha/include/asm/core_irongate.h __u64 PCTX; PCTX 80 arch/alpha/include/asm/mce.h unsigned long PCTX; PCTX 215 arch/alpha/kernel/err_ev6.c ev6mchk->PAL_BASE, ev6mchk->I_CTL, ev6mchk->PCTX);