* config/m68k/tm-linux.h (FRAME_SAVED_PC): Define as

	* config/m68k/tm-linux.h (FRAME_SAVED_PC): Define as
	m68k_linux_frame_saved_pc.
	(IN_SIGTRAMP): Define as m68k_linux_in_sigtramp instead of
	in_sigtramp.
	(SIGCONTEXT_PC_OFFSET): Remove.
	* m68klinux-nat.c (m68k_linux_frame_saved_pc,
	m68k_linux_sigtramp_saved_pc): New functions.
	(IS_SIGTRAMP, IS_RT_SIGTRAMP): Define.
	(SIGCONTEXT_PC_OFFSET): Moved here from config/m68k/tm-linux.h.
	(UCONTEXT_PC_OFFSET): Define.
	(m68k_linux_in_sigtramp): Renamed from in_sigtramp, handle both
	non-RT and RT signal trampolines.