gdb无法调试4.8或者更新版本gcc编译的程序，这个问题比较常见。原因很简单，参见 https://gcc.gnu.org/gcc-4.8/changes.html ： DWARF4 is now the default when generating DWARF debug information. When -g is used on a platform that uses DWARF debugging information, GCC will now default to -gdwarf-4 -fno-debug-types-section. GDB 7.5, Valgrind 3.8.0 and elfutils 0.154 debug… Continue Reading →