#!/bin/bash
#
# Usage: ./build-module.sh path-to-my-embed-binary

set -eu

main() {

    local embedbin="$1"

    if [[ ! -f $embedbin ]] ; then
        echo "Can't find '$embedbin' to embed" >&2
        exit 1
    fi

    # Generate asm include file
    cat > eprog_user_blob.S <<EOF
    .section .init.rodata, "a"

    .global embedded_umh_start
embedded_umh_start:

    .incbin "$(realpath "$embedbin")"

    .global embedded_umh_end
embedded_umh_end:
EOF

    # Build the kernel module
    make clean
    make

    # Finished
    test -f eprog.ko 

    echo "Build complete."
}

main "$@"