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glibc/sysdeps/unix/sysv/linux
H.J. Lu 15c19147a8 x86-64/swapcontext: Restore the pointer into %rdx after syscall
To prepare for shadow stack support, restore the pointer into %rdx after
syscall and use %rdx, instead of %rsi, to restore context.  There is no
functional change.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>

	* sysdeps/unix/sysv/linux/x86_64/swapcontext.S (__swapcontext):
	Restore the pointer into %rdx, after syscall and use %rdx,
	instead of %rsi, to restore context.
2018-05-02 06:26:19 -07:00
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