Re: How to debug xfree86 successfully

On Fri, 4 Nov 2005, cckuo wrote:

>  I want to trace the behaviors of my video driver under Xfree86 and
> have done the following steps which were collected from this mailing list.

> 1. prepare two machines; one is called host, and another is called target.
> 2. type "makeg World" under "xc" folder
> 3. telnet the target from host and run "gdb /usr/X11R6/bin/XFree86"
> 4. under the gdb command mode type "run :0"

> Here my question comes from. I type "list" under gdb command mode.

> I saw the source code of XFree86, main.c, but if I set the breakpoint
> about the driver functions such as Probe, ScreenInit and EnterVT, which are
> assigned to pScrn. The gdb told me that he cannot find the symbol file.

> Are there some steps between 1-4 I made wrong or in fact I didn't build the
> symbol file correctly?

The most straight-forward way of debugging an X server is to build it with 
...

 	#define DoLoadableServer NO

... in your xc/config/cf/host.def.  After a `make World`, this'll build 
everything into one binary.

Marc.

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