下载gdb-7.3a.tar.gz
http://www.sourceware.org/pub/gdb/releases/
执行./configure --host=mipsel-linux --target=mipsel-linux --prefix=/home/zengzhihao/gdb-all
make && make install
拷贝至开发板,执行
/gdb -args /nfs/micro_sw/microprint
接收到信号忽略掉
handle SIG32 nostop noprint
handle SIG33 nostop noprint