Launching 'client_tank2018' on Xiaomi Redmi Note 8 Pro.
# adb通过am启动app
$ adb shell am start -n "com.caohua.tank5/org.cocos2dx.lua.AppActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER -D
Waiting for application to come online: com.caohua.tank5.test | com.caohua.tank5
Connecting to com.caohua.tank5
Now Launching Native Debug Session
$ adb shell 
    # | 用于将一个命令的输出作为另一个命令的输入
    cat /data/local/tmp/lldb-server | 
    # run-as以应用程序的上下文身份运行命令，这样就能够访问应用程序的私有文件和目录
    # sh -c 是在shell中执行一串字符串命令
    # && 是一个逻辑与操作符，用于在前一个命令成功执行后才执行后续的命令
    run-as com.caohua.tank5 sh -c 'cat > /data/data/com.caohua.tank5/lldb/bin/lldb-server && 
    # 700 表示用户具备读取、写入和执行权限
    chmod 700 /data/data/com.caohua.tank5/lldb/bin/lldb-server' 
$ adb shell 
    cat /data/local/tmp/start_lldb_server.sh | 
    run-as com.caohua.tank5 sh -c 'cat > /data/data/com.caohua.tank5/lldb/bin/start_lldb_server.sh && 
    chmod 700 /data/data/com.caohua.tank5/lldb/bin/start_lldb_server.sh'
# 运行lldb脚本   
Starting LLDB server: /data/data/com.caohua.tank5/lldb/bin/start_lldb_server.sh 
    /data/data/com.caohua.tank5/lldb 
    unix-abstract 
    /com.caohua.tank5-0 
    platform-1689041457869.sock 
    "lldb process:gdb-remote packets"
Debugger attached to process 16700
Timed out waiting for java debugger to attach

#!/system/bin/sh
# This script launches lldb-server on Android device from application subfolder - /data/data/$packageId/lldb/bin.
# Native run configuration is expected to push this script along with lldb-server to the device prior to its execution.
# Following command arguments are expected to be passed - lldb package directory and lldb-server listen port.
umask 0002
LLDB_DIR=$1          # /data/data/com.caohua.tank5/lldb 
LISTENER_SCHEME=$2   # unix-abstract 
DOMAINSOCKET_DIR=$3  # /com.caohua.tank5-0 
PLATFORM_SOCKET=$4   # platform-1689041457869.sock 
LOG_CHANNELS=$5      # "lldb process:gdb-remote packets"
BIN_DIR=$LLDB_DIR/bin
LOG_DIR=$LLDB_DIR/log
TMP_DIR=$LLDB_DIR/tmp
PLATFORM_LOG_FILE=$LOG_DIR/platform.log
export LLDB_DEBUGSERVER_LOG_FILE=$LOG_DIR/gdb-server.log
export LLDB_SERVER_LOG_CHANNELS="$LOG_CHANNELS"
export LLDB_DEBUGSERVER_DOMAINSOCKET_DIR=$DOMAINSOCKET_DIR
# This directory already exists. Make sure it has the right permissions.
#   所有者拥有读、写和执行权限；
#   所属组拥有读和执行权限；
#   其他用户拥有读和执行权限。
chmod 0775 "$LLDB_DIR"
# 清空tmp、log目录
rm -r $TMP_DIR
mkdir $TMP_DIR
export TMPDIR=$TMP_DIR
rm -r $LOG_DIR
mkdir $LOG_DIR
# LLDB would create these files with more restrictive permissions than our umask above. Make sure
# he doesn't get a chance.
# "touch" does not exist on pre API-16 devices. This is a poor man's replacement
cat </dev/null                     # 将标准输入重定向为特殊设备文件，/dev/null表示不接收任何输入
    >"$LLDB_DEBUGSERVER_LOG_FILE"  # 重定向标准输出 log/gdb-server.log
    2>"$PLATFORM_LOG_FILE"         # 重定向错误输出 log/platform.log
cd $TMP_DIR # change cwd
$BIN_DIR/lldb-server 
    # 指定 `lldb-server` 运行在平台模式下，用于与调试目标进行通信
    platform 
        # 以服务器模式运行 `lldb-server`
        --server  
        # 指定 `lldb-server` 监听的地址和端口
        #     `$LISTENER_SCHEME` 是监听方案（如 `unix-abstract` 或 `tcp`）
        #     `$DOMAINSOCKET_DIR` 是 Unix 域套接字目录路径
        #     `$PLATFORM_SOCKET` 是套接字名称。 
        # unix-abstract:///com.caohua.tank5-0/platform-1689041457869.sock
        --listen $LISTENER_SCHEME://$DOMAINSOCKET_DIR/$PLATFORM_SOCKET 
        # log/platform.log
        --log-file "$PLATFORM_LOG_FILE" 
        # "lldb process:gdb-remote packets"
        --log-channels "$LOG_CHANNELS" 
    </dev/null                    # 不接受任何输入
    >$LOG_DIR/platform-stdout.log # 标准输出
    # 标准输入的文件描述符为 0，标准输出的文件描述符为 1，标准错误输出的文件描述符为 2
    2>&1                          # 错误输出，&1的意思是合并标准错误和标准输出，并输出到日志文件中

./lldb-server  help
Usage:
  ./lldb-server v[ersion]
  ./lldb-server g[dbserver] [options] # 用于在目标设备上启动 lldb 服务器，并等待本地调试器连接
  ./lldb-server p[latform] [options]  # 用于从本地调试器连接到已经运行的 lldb 服务器