mirror of
https://github.com/AyuGram/AyuGramDesktop.git
synced 2026-08-13 15:03:36 +00:00
Ilya Fedin
20 lines
715 B
Bash
Executable File
20 lines
715 B
Bash
Executable File
#!/usr/bin/env bash
|
|
# Strips the binary, preserving function names in a MiniDebugInfo
|
|
# (.gnu_debugdata) section readable by gdb/elfutils/perf.
|
|
set -euo pipefail
|
|
|
|
bin="$1"
|
|
tmp="$(mktemp -d)"
|
|
trap 'rm -rf "$tmp"' EXIT
|
|
|
|
nm -p -D "$bin" --format=posix --defined-only | awk '{print $1}' > "$tmp/dynsyms"
|
|
nm -p "$bin" --format=posix --defined-only | awk '$2 ~ /[tTwW]/ {print $1}' > "$tmp/funcsyms"
|
|
awk 'FILENAME == ARGV[1] { dyn[$0]; next } !($0 in dyn)' "$tmp/dynsyms" "$tmp/funcsyms" > "$tmp/keep"
|
|
|
|
objcopy --only-keep-debug "$bin" "$tmp/mini"
|
|
objcopy -S --remove-section .comment --keep-symbols="$tmp/keep" "$tmp/mini"
|
|
xz -9 "$tmp/mini"
|
|
|
|
strip -s "$bin"
|
|
objcopy --add-section .gnu_debugdata="$tmp/mini.xz" "$bin"
|