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-rw-r--r--kernel/scripts/xen-hypercalls.sh12
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/scripts/xen-hypercalls.sh b/kernel/scripts/xen-hypercalls.sh
new file mode 100644
index 000000000..676d92268
--- /dev/null
+++ b/kernel/scripts/xen-hypercalls.sh
@@ -0,0 +1,12 @@
+#!/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