linux-user: fix guest/host address mixup in i386 setup_rt_frame()

setup_rt_frame() passes siginfo and ucontext host addresses to guest
signal handlers, causing problems when e.g. emulating x86_64 on s390x.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210803171858.148394-1-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
1 file changed