需要一个有调试符号信息的glibc库,在ubuntu可以安装libc6-dbg
他会安装这一些文件(hehe正常一点,不作SEO了...)
chenyin@subdragon:/usr/lib/debug$ ls
ld-2.3.6.so      libBrokenLocale-2.3.6.so  libcrypt.so.1   libm.so.6               libnss_dns.so.2         libnss_nisplus-2.3.6.so  libresolv-2.3.6.so   libthread_db.so.1
ld-linux.so.2    libBrokenLocale.so.1      libc.so.6       libnsl-2.3.6.so         libnss_files-2.3.6.so   libnss_nisplus.so.2      libresolv.so.2       libutil-2.3.6.so
lib              libc-2.3.6.so             libdl-2.3.6.so  libnsl.so.1             libnss_files.so.2       libnss_nis.so.2          librt-2.3.6.so       libutil.so.1
lib64            libcidn-2.3.6.so          libdl.so.2      libnss_compat-2.3.6.so  libnss_hesiod-2.3.6.so  libpcprofile.so          librt.so.1           usr
libanl-2.3.6.so  libcidn.so.1              libm-2.3.6.so   libnss_compat.so.2      libnss_hesiod.so.2      libpthread-0.10.so       libSegFault.so
libanl.so.1      libcrypt-2.3.6.so         libmemusage.so  libnss_dns-2.3.6.so     libnss_nis-2.3.6.so     libpthread.so.0          libthread_db-1.0.so

调试的时候,export LD_LIBRARY_PATH=/usr/lib/debug,然后gdb <executable>就可,如果是静态连接,可能需要重新编译,诡异的glibc代码,sucks的宏