mirror of
https://github.com/ARMSX2/ARMSX1.git
synced 2026-08-24 16:53:35 -07:00
63 lines
1.3 KiB
Bash
63 lines
1.3 KiB
Bash
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#!/usr/bin/env bash
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set -euo pipefail
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if [ "$#" -ne 3 ]; then
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echo "Usage: $0 <binary> <dest-dir> <search-dir-1:search-dir-2:...>" >&2
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exit 1
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fi
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binary="$1"
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dest_dir="$2"
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search_dirs="$3"
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mkdir -p "$dest_dir"
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declare -A seen=()
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queue=("$binary")
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resolve_library() {
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local lib_name="$1"
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local dir=
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local old_ifs="$IFS"
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IFS=':'
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for dir in $search_dirs; do
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if [ -f "$dir/$lib_name" ]; then
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printf '%s\n' "$dir/$lib_name"
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IFS="$old_ifs"
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return 0
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fi
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done
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IFS="$old_ifs"
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return 1
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}
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while [ "${#queue[@]}" -gt 0 ]; do
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current="${queue[0]}"
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queue=("${queue[@]:1}")
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while IFS= read -r needed; do
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[ -n "$needed" ] || continue
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case "$needed" in
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linux-vdso.so.*|ld-linux*.so.*)
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continue
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;;
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esac
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if [ -n "${seen[$needed]:-}" ]; then
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continue
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fi
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resolved="$(resolve_library "$needed" || true)"
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if [ -z "$resolved" ]; then
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echo "Unable to resolve runtime dependency '$needed' for '$current'." >&2
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exit 1
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fi
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cp -L "$resolved" "$dest_dir/$needed"
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seen["$needed"]=1
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queue+=("$resolved")
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done < <(readelf -d "$current" 2>/dev/null | sed -n 's/.*Shared library: \[\(.*\)\]/\1/p')
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done
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