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https://github.com/riscv-software-src/opensbi.git
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10df2d6fb5
It can be useful to embed the objects referenced by a carray inside another struct. To avoid type punning, the generated carray code must use the correct type for the enclosing struct and member access to compute the desired object address. Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Reviewed-by: Anup Patel <anup@brainfault.org>
85 lines
2.0 KiB
Bash
Executable File
85 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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function usage()
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{
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echo "Usage:"
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echo " $0 [options]"
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echo "Options:"
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echo " -h Display help or usage"
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echo " -i <input_config> Input config file"
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echo " -l <variable_list> List of variables in the array (Optional)"
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exit 1;
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}
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# Command line options
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CONFIG_FILE=""
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VAR_LIST=""
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while getopts "hi:l:" o; do
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case "${o}" in
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h)
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usage
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;;
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i)
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CONFIG_FILE=${OPTARG}
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;;
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l)
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VAR_LIST=${OPTARG}
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;;
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*)
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usage
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;;
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esac
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done
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shift $((OPTIND-1))
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if [ -z "${CONFIG_FILE}" ]; then
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echo "Must specify input config file"
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usage
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fi
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if [ ! -f "${CONFIG_FILE}" ]; then
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echo "The input config file should be a present"
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usage
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fi
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TYPE_HEADER=$(awk '{ if ($1 == "HEADER:") { printf $2; exit 0; } }' "${CONFIG_FILE}")
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if [ -z "${TYPE_HEADER}" ]; then
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echo "Must specify HEADER: in input config file"
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usage
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fi
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TYPE_NAME=$(awk '{ if ($1 == "TYPE:") { printf $2; for (i=3; i<=NF; i++) printf " %s", $i; exit 0; } }' "${CONFIG_FILE}")
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if [ -z "${TYPE_NAME}" ]; then
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echo "Must specify TYPE: in input config file"
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usage
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fi
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ARRAY_NAME=$(awk '{ if ($1 == "NAME:") { printf $2; exit 0; } }' "${CONFIG_FILE}")
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if [ -z "${ARRAY_NAME}" ]; then
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echo "Must specify NAME: in input config file"
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usage
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fi
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MEMBER_NAME=$(awk '{ if ($1 == "MEMBER-NAME:") { printf $2; exit 0; } }' "${CONFIG_FILE}")
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MEMBER_TYPE=$(awk '{ if ($1 == "MEMBER-TYPE:") { printf $2; for (i=3; i<=NF; i++) printf " %s", $i; exit 0; } }' "${CONFIG_FILE}")
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if [ -n "${MEMBER_NAME}" ] && [ -z "${MEMBER_TYPE}" ]; then
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echo "Must specify MEMBER-TYPE: when using MEMBER-NAME:"
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usage
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fi
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printf "// Generated with $(basename $0) from $(basename ${CONFIG_FILE})\n"
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printf "#include <%s>\n\n" "${TYPE_HEADER}"
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for VAR in ${VAR_LIST}; do
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printf "extern %s %s;\n" "${TYPE_NAME}" "${VAR}"
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done
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printf "\n"
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printf "%s *const %s[] = {\n" "${MEMBER_TYPE:-${TYPE_NAME}}" "${ARRAY_NAME}"
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for VAR in ${VAR_LIST}; do
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printf "\t&%s,\n" "${VAR}${MEMBER_NAME:+.}${MEMBER_NAME}"
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done
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printf "\tNULL\n"
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printf "};\n"
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