#!/bin/bash
# MIPS translate.c 调试快速启动脚本

echo "========================================"
echo "  MIPS translate.c GDB 调试助手"
echo "========================================"
echo ""

# 查找 Renode 进程
PID=$(pgrep -f Renode.dll)

if [ -z "$PID" ]; then
    echo "❌ 错误：Renode 没有运行！"
    echo ""
    echo "请先在另一个终端启动 Renode："
    echo "  cd /home/simulation/source/renode"
    echo "  ./renode"
    echo ""
    echo "然后在 Renode Monitor 中执行（但不要 Step）："
    echo "  mach create \"MIPS-Test\""
    echo "  machine LoadPlatformDescription @platforms/cpus/mips32_simple.repl"
    echo "  cpu PC 0x80000000"
    echo "  cpu A0 5"
    echo "  cpu A1 3"
    echo "  sysbus WriteDoubleWord 0x80000000 0x00851020"
    echo ""
    exit 1
fi

echo "✅ 检测到 Renode 进程: PID=$PID"
echo ""
echo "将设置以下断点："
echo "  1. gen_intermediate_code  (主翻译函数)"
echo "  2. decode_and_translate   (指令解码)"
echo ""
echo "⚠️  重要提示："
echo "  - 确保在 Renode 中已加载平台但未执行 'cpu Step 1'"
echo "  - 断点触发后使用以下命令："
echo "    list         查看代码"
echo "    next         下一行（不进入函数）"
echo "    step         下一行（进入函数）"
echo "    print/x insn 查看指令（16进制）"
echo "    info locals  查看局部变量"
echo "    bt           查看调用栈"
echo "    continue     继续运行"
echo ""
read -p "按 Enter 继续启动 GDB..."

# 启动 GDB 并自动设置断点
sudo gdb -p $PID \
    -ex "set breakpoint pending on" \
    -ex "break gen_intermediate_code" \
    -ex "break decode_and_translate" \
    -ex "info breakpoints" \
    -ex "echo \n========================================\n" \
    -ex "echo ✅ 断点已设置！\n" \
    -ex "echo 现在切换到 Renode 窗口执行: cpu Step 1\n" \
    -ex "echo ========================================\n\n" \
    -ex "continue"