unwind_get_return_address_ptr 23 arch/x86/kernel/unwind_frame.c unsigned long *unwind_get_return_address_ptr(struct unwind_state *state) unwind_get_return_address_ptr 23 arch/x86/kernel/unwind_guess.c unsigned long *unwind_get_return_address_ptr(struct unwind_state *state) unwind_get_return_address_ptr 312 arch/x86/kernel/unwind_orc.c unsigned long *unwind_get_return_address_ptr(struct unwind_state *state)