scripts/gcc-plugins/gen-random-seed.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 if [ ! -f "$1" ]; then
   5         SEED=`od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n'`
   6         echo "const char *randstruct_seed = \"$SEED\";" > "$1"
   7         HASH=`echo -n "$SEED" | sha256sum | cut -d" " -f1 | tr -d ' \n'`
   8         echo "#define RANDSTRUCT_HASHED_SEED \"$HASH\"" > "$2"
   9 fi