无法在emacs中的gdb中放置断点

Question

I'm trying to debug a small program I've written in C. I open up the file in emacs, Mx gdb, give the program filename (a.out). When i switch to the source file in the emacs pane, and try to place a breakpoint in the main function, I get the message "No default breakpoint address now." and the breakpoint doesn't place, so I can't debug the program. I'm compiling the program with the options gcc -Wall -ansi -pedantic-errors -Werror. Any ideas?

Answer 1

要在gdb中调试你必须使用-g选项，这将让gdb通过向二进制文件添加调试符号来处理输出文件

gcc -g file.cpp