#!/bin/bash

generate_offset_header() {
    echo "processing $1"
    nm -n "$1" \
    | grep -e ' _\(end\|edata\|data\)$' \
    | awk '{print "#define CAP_" $3 " 0x" $1}' \
    > arch/x86/boot/offset.h
    nm -n "$1" \
    | grep -e ' efi_pe_entry$' \
    | awk '{print "#define efi_pe_entry 0x" $1}' \
    >> arch/x86/boot/offset.h
}
build_image() {
    echo "building image from $1 and $2"
    (dd if=$1 bs=4k conv=sync; cat $2) > yukiImage
}
# Main dispatcher
case "$1" in
    generate_offset_header)
        generate_offset_header "$2"
        ;;
    build_image)
        build_image "$2" "$3"
        ;;
    *)
        echo "Usage: $0 {generate_offset_header|build_image} [args...]"
        exit 1
        ;;
esac