PATCH: Use R*_LP, sizeSS, oSS_FLAGS, oSS_SP and oSS_SIZE

[Roland McGrath]

> 	* sysdeps/unix/sysv/linux/x86_64/Makefile (gen-as-const-headers):
> 	Add sigaltstack.sym.
> 
> 	* sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S: Include
> 	"sigaltstack.h".
> 	(CALL_FAIL): Use RSP_LP to operate on stack.  Use RDI_LP on
> 	longjmp_msg pointer.
> 	(____longjmp_chk): Use R8_LP and RDX_LP on SP and PC.  Use
> 	R*_LP, sizeSS, oSS_FLAGS, oSS_SP and oSS_SIZE for alternate
> 	signal stack.
> 
> 	* sysdeps/unix/sysv/linux/x86_64/sigaltstack.sym: New.

Fix the all file names here.  This is all one paragraph (no blank lines in
between) since it's all a single change.

Use #include <> to be consistent with uses of other generated headers.

With those fixes, the change is OK.


Thanks,
Roland