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#!/bin/sh
out="$1"
shift
in="$@"
for i in $in; do
eval $CPP $LINUXINCLUDE -dD -imacros "$i" -x c /dev/null
done | \
awk '$1 == "#define" && $2 ~ /__HYPERVISOR_[a-z][a-z_0-9]*/ { v[$3] = $2 }
END { print "/* auto-generated by scripts/xen-hypercall.sh */"
for (i in v) if (!(v[i] in v))
print "HYPERCALL("substr(v[i], 14)")"}' | sort -u >$out
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