linux-user: Fix Stack Pointer Bug in PPC setup_rt_frame
The code that sets the stack frame back pointer is incorrect for the setup_rt_frame() code; qemu will abort (SIGSEGV) in some environments. The setup_frame code was fixed in commit beb526b1 but the setup_rt_frame code was not. Make the setup_rt_frame code consistent with the setup_frame code. Signed-off-by: NTom Musta <tommusta@gmail.com> Signed-off-by: NAlexander Graf <agraf@suse.de>
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