Re: [Xen-devel] a problem when I''m try to debug xen boot codes

Arhold
Fri, 12 Jan 2007 07:29:11 -0000

Hi Ming,

Could you share some experience on how to enable the xen debug?  I try to
build the xen with a kgdb patched kernel, but failed.

Arhold

~~~~~~~~~~~~~~~~~~~~~~~

hi,
I want to learn xen boot codes. I use bochs with gdb stub to implement source
codes debug. I rebuild xen kernel with "debug=y, debugger=y" to enable
debug, boot xen by bochs, connect gdb remote target, set breakpoint. All are
ok now.(I run gdb in directory "xen", and set breakpoint at
__start_xen.) But,
when the breakpoint is hit, gdb displays:"setup.c:no such file or
directory".
Of course, I can use directory to add search path to gdb. But if trace into
a different directory, I have to use "direcotry" again. You know, the
directory structure is some complex, so it's so boring to add all directory
to gdb. As I know, some debug information of elf file includes directory of
file. But there is just only the file name without directory.

Does anybody know how to deal with it?
Thanks.

Ming

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