🆕 内核栈反向追踪

user/apps/shell/shell.c

@@ -73,6 +73,7 @@ int main()
     int kb_fd = open(kb_file_path, 0);
     // printf("keyboard fd = %d\n", kb_fd);
     print_ascii_logo();
+    int a = 1/0;
     main_loop(kb_fd);
     while (1)
         ;