From b539d650f99d0924a4c0e195731c427f3a75864e Mon Sep 17 00:00:00 2001
From: Takumi Akimoto <81888693+akimon658@users.noreply.github.com>
Date: Sun, 7 Dec 2025 00:53:42 +0900
Subject: [PATCH] Add helper script to debug x64 binary on Arm Mac

---
 docker/Dockerfile     |  2 ++
 docker/gdb-rosetta.sh | 14 ++++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100755 docker/gdb-rosetta.sh

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 674f764..70dfae3 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -30,3 +30,5 @@ RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
     ./setup.sh && \
     cd ~ && \
     rm -rf ~/pwndbg
+
+COPY --chown=ubuntu:ubuntu gdb-rosetta.sh /usr/local/bin/gdb-rosetta
diff --git a/docker/gdb-rosetta.sh b/docker/gdb-rosetta.sh
new file mode 100755
index 0000000..e53e88c
--- /dev/null
+++ b/docker/gdb-rosetta.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+# https://github.com/docker/for-mac/issues/6921#issuecomment-2409324575
+
+if [ "$#" != "1" ]; then
+  echo "Usage: $0 <path/to/program to debug>" >&2
+  exit 1
+fi
+
+prog=$1
+ROSETTA_DEBUGSERVER_PORT=1234 $prog < /dev/tty &
+
+gdb \
+  -iex "file $prog" \
+  -iex "target remote localhost:1234"
-- 
2.51.2