PT_r0 67 arch/arc/include/asm/entry-arcv2.h sub sp, sp, PT_r0 PT_r0 110 arch/arc/include/asm/entry-arcv2.h ST2 r0, r1, PT_r0 PT_r0 209 arch/arc/include/asm/entry-arcv2.h LD2 r0, r1, PT_r0 PT_r0 232 arch/arc/include/asm/entry-arcv2.h add sp, sp, PT_r0 PT_r0 50 arch/arc/kernel/asm-offsets.c DEFINE(PT_r0, offsetof(struct pt_regs, r0));