* Makefile.in (mips-linux-tdep.o): Update dependencies.

	* Makefile.in (mips-linux-tdep.o): Update dependencies.
	* mips-tdep.c (mips_gdbarch_init): Move frame predicates
	to after osabi initialization.
	* mips-linux-tdep.c: Include "trad-frame.h" and "tramp-frame.h".
	(mips_linux_o32_sigframe_init, mips_linux_n32n64_sigframe_init): New
	functions.
	(mips_linux_o32_sigframe, mips_linux_o32_rt_sigframe)
	(mips_linux_n32_rt_sigframe, mips_linux_n64_rt_sigframe): New
	variables.
	(mips_linux_init_abi): Append signal trampoline unwinders.