* config/rs6000/linux-unwind.h (struct gcc_vregs): New.
	(struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
	(struct gcc_sigcontext): Delete.  Merge contents to..
	(struct gcc_ucontext): ..here.
	(get_sigcontext): Delete.
	(get_regs): New function, like get_sigcontext but return regs ptr.
	64-bit version finds regs from r1 to support vdso.
	(ppc_linux_aux_vector): New function.
	(ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
	and vector regs.

From-SVN: r94481