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我正在嘗試調試加載共享庫的程序。我可以完美地調試主程序部分，但在共享庫中，我遇到了一些問題。GDB無法在共享庫上設置斷點
gdb -p 70876
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Attaching to process 70876
Reading symbols from /usr/local/pgsql/bin/postgres...done.
0x00007fff9496a2a2 in poll() from /usr/lib/system/libsystem_kernel.dylib
(gdb) b multi_ProcessUtility
Breakpoint 1 at 0xdaa9: multi_ProcessUtility. (2 locations)
(gdb) b multi_utility.c:129
Cannot access memory at address 0xdaa9
(gdb)
所以，問題是，我可以用方法名稱本身設置一個斷點，程序停在指定的點。但是，我不能用文件名和行號來設置斷點。 （指定的文件名和行號也解決了同樣的功能）
當程序停止在共享庫函數，運行info source命令結果與No current source file.消息
在我已附連到處理的時間，所述共享庫已加載並正在運行。
我在Mac OS X El Capitan上，使用GNU GCC 6和GDB 7.11.1從homebrew。我用「-Og -ggdb -g3」標誌編譯了主程序和共享庫。