From 2eef88f3c98d0df7e06a773cc5601ce0e16fff99 Mon Sep 17 00:00:00 2001
From: xunuwu <xunuwu@gmail.com>
Date: Sun, 29 Jun 2025 02:06:10 +0200
Subject: [PATCH] init

---
 .gitignore |  1 +
 dump.sh    | 28 ++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 dump.sh

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a70e5d2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/*.so
diff --git a/dump.sh b/dump.sh
new file mode 100755
index 0000000..e1532ec
--- /dev/null
+++ b/dump.sh
@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+pid="$1"
+target_soname="$2"
+
+echo "pid: $pid"
+echo "soname: $target_soname"
+
+lines=()
+
+IFS='
+'
+for line in $(cat /proc/$pid/maps); do
+   region=${line%% *}
+   region_file=/proc/$pid/map_files/$region
+   if [[ -e $region_file ]]; then
+      soname=$(objdump -p "$region_file" 2>/dev/null | grep SONAME ||:)
+      if [[ $(echo "$soname" | awk '{print $2}') == $target_soname ]]; then
+         lines+=($line)
+      fi
+   fi
+done
+
+for line in ${lines[@]}; do
+   dd if="/proc/$pid/map_files/$(echo "$line" | awk '{print $1}')" seek="$((16#$(echo "$line" | awk '{print $3}')))" of=$target_soname
+done