* include/bits/setjmp.h: New file.

* include/bits/setjmp.h: New file.

	* setjmp/jmpbuf-offsets.h: New file.
	* sysdeps/alpha/bits/setjmp.h: Move JB_* macros ...
	* sysdeps/alpha/jmpbuf-offsets.h: ... here, new file.
	* sysdeps/hppa/bits/setjmp.h (JB_SP): Macro moved ...
	* sysdeps/hppa/jmpbuf-offsets.h: ... here, new file.
	* sysdeps/i386/bits/setjmp.h: Move JB_* macros ...
	* sysdeps/i386/jmpbuf-offsets.h: ... here, new file.
	* sysdeps/mips/bits/setjmp.h (JB_PC): Macro removed.
	* sysdeps/powerpc/bits/setjmp.h: Move JB_* macros ...
	* sysdeps/powerpc/jmpbuf-offsets.h: ... here, new file.
	* sysdeps/s390/bits/setjmp.h: Remove __JB_* macros.
	* sysdeps/sh/bits/setjmp.h (JB_SIZE): Macro moved ...
	* sysdeps/sh/jmpbuf-offsets.h: ... here, new file.
	* sysdeps/sparc/sparc32/bits/setjmp.h: Move JB_* macros ...
	* sysdeps/sparc/sparc32/jmpbuf-offsets.h: ... here, new file.
	* sysdeps/unix/sysv/linux/sparc/bits/setjmp.h: Remove JB_* macros.
	* sysdeps/x86_64/bits/setjmp.h: Move JB_* macros ...
	* sysdeps/x86_64/jmpbuf-offsets.h: ... here, new file.