REG_PC             73 arch/alpha/kernel/ptrace.c 	REG_R0 = 0, REG_F0 = 32, REG_FPCR = 63, REG_PC = 64
REG_PC             34 arch/arm/kernel/ptrace.c #define REG_PC	15
REG_PC             17 arch/arm/nwfpe/fpmodule.h #define REG_PC		15
REG_PC             23 arch/sh/include/uapi/asm/ptrace_32.h #define REG_PC		16
REG_PC             21 arch/xtensa/include/uapi/asm/ptrace.h #define REG_PC		0x0020