gdb调试出现“no debugging symbols found”,不能打断点调试的原因.

本文介绍了在代码编译和链接安装过程中如何正确配置-g和-s选项来保留或移除调试信息。为了解决“nodebuggingsymbolsfound”的提示,文章详细说明了在编译时添加-g选项并在链接时不使用-s选项的重要性。

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1.代码编译时,是否添加-g选项。

2.程序链接安装时,是否添加-s,用于生成striped文件,导致把调试信息删除。

所以,去除“no debugging symbols found”提示,要添加-g,同时,不能有-s

选项。


执行调试命令以后出现下面输出,无法继续调试 ~ # id uid=0(root) gid=0(root) groups=0(root) ~ # gdb -p 567 GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1 Copyright (C) 2014 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word". Attaching to process 567 Reading symbols from /opt/kerio/winroute/winroute...(no debugging symbols found)...done. Reading symbols from /opt/kerio/winroute/libkvnet.so...(no debugging symbols found)...done. Loaded symbols for /opt/kerio/winroute/libkvnet.so Reading symbols from /opt/kerio/winroute/libkipf.so...(no debugging symbols found)...done. Loaded symbols for /opt/kerio/winroute/libkipf.so Reading symbols from /lib/x86_64-linux-gnu/libpng12.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libpng12.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libqrencode.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libqrencode.so.3 Reading symbols from /usr/lib/x86_64-linux-gnu/libfbclient.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libfbclient.so.2 Reading symbols from /opt/kerio/winroute/libkeriogl.so...(no debugging symbols found)...done. Loaded symbols for /opt/kerio/winroute/libkeriogl.so Reading symbols from /opt/kerio/winroute/libQtGui.so.4...(no debugging symbols found)...done. Loaded symbols for /opt/kerio/winroute/libQtGui.so.4 Reading symbols from /opt/kerio/winroute/libQtCore.so.4...(no debugging symbols found)...done. Loaded symbols for /opt/kerio/winroute/libQtCore.so.4 Reading symbols from /usr/lib/x86_64-linux-gnu/libfontconfig.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libfontconfig.so.1 Reading symbols from /opt/kerio/winroute/libkticonv.so.2...(no debugging symbols found)...done. Loaded symbols for /opt/kerio/winroute/libkticonv.so.2 Reading symbols from /lib/x86_64-linux-gnu/librt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/librt.so.1 Reading symbols from /lib/x86_64-linux-gnu/libpthread.so.0...(no debugging symbols found)...done. [New LWP 9920] [New LWP 1212] [New LWP 1177] [New LWP 1121] [New LWP 1075] [New LWP 1033] [New LWP 911] [New LWP 910] [New LWP 908] [New LWP 758] [New LWP 756] [New LWP 755] [New LWP 738] [New LWP 737]
03-08
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