2005-12-27 Roland McGrath <roland@redhat.com>

2005-12-27  Roland McGrath  <roland@redhat.com>

	* sysdeps/x86_64/jmpbuf-unwind.h (_jmpbuf_sp): New inline function.
	(_JMPBUF_UNWINDS_ADJ): Use it, to PTR_DEMANGLE before comparison.
	* sysdeps/alpha/jmpbuf-unwind.h: Likewise.
	* sysdeps/i386/jmpbuf-unwind.h: Likewise.
	* sysdeps/mips/jmpbuf-unwind.h: Likewise.
	* sysdeps/powerpc/jmpbuf-unwind.h: Likewise.
	* sysdeps/s390/jmpbuf-unwind.h: Likewise.
	* sysdeps/sh/jmpbuf-unwind.h: Likewise.
	* sysdeps/sparc/sparc32/jmpbuf-unwind.h: Likewise.
	* sysdeps/sparc/sparc64/jmpbuf-unwind.h: Likewise.
	* sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h: Likewise.