mirror of
https://github.com/xen-project/xen.git
synced 2026-10-28 02:01:24 +01:00
Nicola Vetrini
33888e7aaa
MISRA C Rule 18.2 states: "Subtraction between pointers shall only be applied to pointers that address elements of the same array". Subtractions between pointer where at least one symbol is a symbol defined by the linker are safe and thus deviated, because the compiler cannot exploit the undefined behaviour that would arise from violating the rules in this case. To create an ECLAIR configuration that contains the list of linker-defined symbols, the script "linker-symbols.sh" is used after a build of xen (without static analysis) is performed. The generated file "linker_symbols.ecl" is then used as part of the static analysis configuration. Additional changes to the ECLAIR integration are: - perform a build of xen without static analysis during prepare.sh - run the scripts to generated ECL configuration during the prepare.sh, rather than analysis.sh - export ECLAIR_PROJECT_ROOT earlier, to allow such generation Additionally, the macro page_to_mfn performs a subtraction that is safe, so its uses are deviated. No functional changes. Signed-off-by: Nicola Vetrini <nicola.vetrini@bugseng.com> Acked-by: Stefano Stabellini <sstabellini@kernel.org>
103 lines
2.7 KiB
Bash
Executable File
103 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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# Stop immediately if any executed command has exit status different from 0.
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set -e
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set -o pipefail
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script_name="$(basename "$0")"
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fatal() {
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echo "${script_name}: $*" >&2
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exit 1
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}
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usage() {
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fatal "Usage: ${script_name} <ARM64|X86_64> <accepted|monitored>"
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}
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if [[ $# -ne 2 ]]; then
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usage
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fi
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# Absolute path of the ECLAIR bin directory.
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export ECLAIR_BIN_DIR=/opt/bugseng/eclair/bin/
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# Directory where this script resides: usually in a directory named "ECLAIR".
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SCRIPT_DIR="$(
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cd "$(dirname "$0")"
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echo "${PWD}"
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)"
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# Directory where to put all ECLAIR output and temporary files.
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if [[ -z "${ECLAIR_OUTPUT_DIR:-}" ]]; then
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ECLAIR_OUTPUT_DIR="${PWD}/ECLAIR/out"
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fi
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export ECLAIR_DIAGNOSTICS_OUTPUT="${ECLAIR_OUTPUT_DIR}/ANALYSIS.log"
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# Set the variable for the build log file.
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ECLAIR_BUILD_LOG=${ECLAIR_OUTPUT_DIR}/BUILD.log
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# Set the variable for the report log file.
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ECLAIR_REPORT_LOG=${ECLAIR_OUTPUT_DIR}/REPORT.log
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if [[ "$1" = "X86_64" ]]; then
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export CROSS_COMPILE=
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export XEN_TARGET_ARCH=x86_64
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elif [[ "$1" = "ARM64" ]]; then
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export CROSS_COMPILE=aarch64-linux-gnu-
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export XEN_TARGET_ARCH=arm64
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else
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fatal "Unknown configuration: $1"
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fi
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VARIANT="${XEN_TARGET_ARCH}"
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# Used in analysis.ecl
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case "$2" in
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accepted|monitored)
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export SET="$2"
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;;
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*)
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fatal "Unknown configuration: $2"
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;;
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esac
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export CC_ALIASES="${CROSS_COMPILE}gcc-12"
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export CXX_ALIASES="${CROSS_COMPILE}g++-12"
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export LD_ALIASES="${CROSS_COMPILE}ld"
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export AR_ALIASES="${CROSS_COMPILE}ar"
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export AS_ALIASES="${CROSS_COMPILE}as"
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export FILEMANIP_ALIASES="cp mv ${CROSS_COMPILE}objcopy"
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# ECLAIR binary data directory and workspace.
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export ECLAIR_DATA_DIR="${ECLAIR_OUTPUT_DIR}/.data"
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# ECLAIR workspace.
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export ECLAIR_WORKSPACE="${ECLAIR_DATA_DIR}/eclair_workspace"
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# Identifies the particular build of the project.
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export ECLAIR_PROJECT_NAME="XEN_${VARIANT}-${SET}"
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# Erase and recreate the output directory and the data directory.
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rm -rf "${ECLAIR_OUTPUT_DIR:?}/*"
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mkdir -p "${ECLAIR_DATA_DIR}"
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# Perform the build (from scratch) in an ECLAIR environment.
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"${ECLAIR_BIN_DIR}eclair_env" \
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"-config_file='${SCRIPT_DIR}/analysis.ecl'" \
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"${EXTRA_ECLAIR_ENV_OPTIONS}" \
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-- "${SCRIPT_DIR}/../build.sh" "$1" | tee "${ECLAIR_BUILD_LOG}"
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# Create the project database.
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PROJECT_ECD="${ECLAIR_OUTPUT_DIR}/PROJECT.ecd"
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find "${ECLAIR_DATA_DIR}" -maxdepth 1 -name "FRAME.*.ecb" |
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sort | xargs cat |
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"${ECLAIR_BIN_DIR}eclair_report" \
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"-create_db='${PROJECT_ECD}'" \
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-load=/dev/stdin > "${ECLAIR_REPORT_LOG}" 2>&1
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# Create the Jenkins reports file.
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"${ECLAIR_BIN_DIR}eclair_report" \
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"-db='${PROJECT_ECD}'" \
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"-eval_file='${SCRIPT_DIR}/report.ecl'" \
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>> "${ECLAIR_REPORT_LOG}" 2>&1
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"${SCRIPT_DIR}/print_analyzed_files.sh" "${PROJECT_ECD}" "${ECLAIR_OUTPUT_DIR}"
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