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-rw-r--r--scripts/gcc-plugins/gen-random-seed.sh9
1 files changed, 9 insertions, 0 deletions
diff --git a/scripts/gcc-plugins/gen-random-seed.sh b/scripts/gcc-plugins/gen-random-seed.sh
new file mode 100644
index 000000000..68af5cc20
--- /dev/null
+++ b/scripts/gcc-plugins/gen-random-seed.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+if [ ! -f "$1" ]; then
+ SEED=`od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n'`
+ echo "const char *randstruct_seed = \"$SEED\";" > "$1"
+ HASH=`echo -n "$SEED" | sha256sum | cut -d" " -f1 | tr -d ' \n'`
+ echo "#define RANDSTRUCT_HASHED_SEED \"$HASH\"" > "$2"
+fi