* sh-tdep.h (sh_show_regs): Add FRAME parameter.

	* sh-tdep.h (sh_show_regs): Add FRAME parameter.
	* sh-tdep.c (sh_show_regs): Likewise.
	(sh_show_regs_command): Pass current frame to sh_show_regs routine.
	(sh_generic_show_regs): Add FRAME parameter.  Use register
	values from that frame instead of calling read_register.
	(sh3_show_regs, sh2e_show_regs, sh2a_show_regs, sh2a_nofpu_show_regs,
	sh3e_show_regs, sh3_dsp_show_regs, sh4_show_regs, sh4_nofpu_show_regs,
	sh_dsp_show_regs): Likewise.
	* sh64-tdep.c (sh64_show_media_regs, sh64_show_compact_regs,
	sh64_show_regs): Likewise.