webos: dynamically package missing dependency libraries

1 files changed, 62 insertions, 0 deletions

diff --git a/tools/webOS/verify-symbols.sh b/tools/webOS/verify-symbols.sh
new file mode 100755
index 0000000000..6123e09a49
--- /dev/null
+++ b/tools/webOS/verify-symbols.sh
@@ -0,0 +1,62 @@
+#!/bin/sh
+
+# found on https://github.com/webosbrew/dev-utils/tree/main/scripts
+
+EXE="$1"
+
+if [ ! -f "${EXE}" ]; then
+  echo "Usage: $0 executable"
+  exit 1
+fi
+
+if [ ! -d "${WEBOS_ROOTFS}" ]; then
+  echo 'WEBOS_ROOTFS is not a directory'
+  exit 1
+fi
+
+lib_search_paths="$(objdump -p ${EXE} | grep RUNPATH | tr -s ' ' | cut -d ' ' -f 3)"
+lib_search_paths="${lib_search_paths}:${WEBOS_ROOTFS}/lib:${WEBOS_ROOTFS}/usr/lib:${WEBOS_LD_LIBRARY_PATH}"
+
+required_syms=$(nm --dynamic --extern-only --undefined-only "${EXE}" | grep ' [U] ' | tr -s ' ' | cut -d ' ' -f 3)
+
+needed_libs=$(objdump -p "${EXE}" | grep NEEDED | tr -s ' ' | cut -d ' ' -f 3)
+found_libs=""
+has_missing=0
+
+for lib in ${needed_libs}; do
+  lib_found=0
+  OLDIFS=$IFS
+  IFS=:
+  for path in ${lib_search_paths}; do
+    lib_path="${path}/${lib}"
+    if [ -f "${lib_path}" ]; then
+      lib_found=1
+      found_libs="${found_libs} ${lib_path}"
+    fi
+  done
+  IFS=$OLDIFS
+  if [ ${lib_found} = 0 ]; then
+    has_missing=1
+    echo "Missing library: ${lib}"
+  fi
+done
+
+# shellcheck disable=SC2086
+lib_syms=$(nm --dynamic --extern-only --defined-only ${found_libs} | grep ' [a-zA-Z] ' | cut -d ' ' -f 3 | tr -s '@')
+
+for sym in ${required_syms}; do
+  if ! echo "${lib_syms}" | grep -q "${sym}"; then
+    has_missing=1
+    sym_name=$(echo "${sym}" | cut -d '@' -f 1 | c++filt)
+    if echo "${sym}" | grep -q '@'; then
+      sym_ver="@$(echo ${sym} | cut -d '@' -f 2)"
+    fi
+    echo "Missing symbol: ${sym_name}${sym_ver}"
+  fi
+done
+
+if [ ${has_missing} = 0 ]; then
+  echo "All OK."
+fi
+
+return $has_missing