diff options
Diffstat (limited to 'scripts/livepatch')
| -rwxr-xr-x | scripts/livepatch/klp-build | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/scripts/livepatch/klp-build b/scripts/livepatch/klp-build index 01ed0b66bfaf..28ee259ce5f6 100755 --- a/scripts/livepatch/klp-build +++ b/scripts/livepatch/klp-build @@ -20,7 +20,7 @@ set -o nounset # This helps keep execution in pipes so pipefail+errexit can catch errors. shopt -s lastpipe -unset SKIP_CLEANUP XTRACE +unset DEBUG_CLONE SKIP_CLEANUP XTRACE REPLACE=1 SHORT_CIRCUIT=0 @@ -120,6 +120,7 @@ Options: -v, --verbose Pass V=1 to kernel/module builds Advanced Options: + -d, --debug Show symbol/reloc cloning decisions -S, --short-circuit=STEP Start at build step (requires prior --keep-tmp) 1|orig Build original kernel (default) 2|patched Build patched kernel @@ -140,8 +141,8 @@ process_args() { local long local args - short="hj:o:vS:T" - long="help,jobs:,output:,no-replace,verbose,short-circuit:,keep-tmp" + short="hj:o:vdS:T" + long="help,jobs:,output:,no-replace,verbose,debug,short-circuit:,keep-tmp" args=$(getopt --options "$short" --longoptions "$long" -- "$@") || { echo; usage; exit @@ -174,6 +175,11 @@ process_args() { VERBOSE="V=1" shift ;; + -d | --debug) + DEBUG_CLONE=1 + keep_tmp=1 + shift + ;; -S | --short-circuit) [[ ! -d "$TMP_DIR" ]] && die "--short-circuit requires preserved klp-tmp dir" keep_tmp=1 @@ -596,6 +602,7 @@ copy_patched_objects() { diff_objects() { local log="$KLP_DIFF_LOG" local files=() + local opts=() rm -rf "$DIFF_DIR" mkdir -p "$DIFF_DIR" @@ -603,6 +610,8 @@ diff_objects() { find "$PATCHED_DIR" -type f -name "*.o" | mapfile -t files [[ ${#files[@]} -eq 0 ]] && die "no changes detected" + [[ -v DEBUG_CLONE ]] && opts=("--debug") + # Diff all changed objects for file in "${files[@]}"; do local rel_file="${file#"$PATCHED_DIR"/}" @@ -616,6 +625,7 @@ diff_objects() { cmd=("$SRC/tools/objtool/objtool") cmd+=("klp") cmd+=("diff") + (( ${#opts[@]} > 0 )) && cmd+=("${opts[@]}") cmd+=("$orig_file") cmd+=("$patched_file") cmd+=("$out_file") |