PT_r4             112 arch/arc/include/asm/entry-arcv2.h 	ST2	r4,  r5,  PT_r4
PT_r4             211 arch/arc/include/asm/entry-arcv2.h 	LD2	r4,  r5,  PT_r4
PT_r4              54 arch/arc/kernel/asm-offsets.c 	DEFINE(PT_r4, offsetof(struct pt_regs, r4));