x30 152 arch/arm64/include/asm/assembler.h lr .req x30 // link register x30 670 arch/arm64/include/asm/assembler.h stp x29, x30, [sp, #-.Lframe_local_offset - .Lframe_extra]! x30 684 arch/arm64/include/asm/assembler.h ldp x29, x30, [sp], #.Lframe_local_offset + .Lframe_extra