Re: [SLUG] Re: ask "core"

[Andy Eager <eagera@xxxxxxxxxxxxxxx>]

Angus Lees wrote:

> At Wed, 15 May 2002 18:52:03 +0800, henry wrote:
>
> > I often see "core dumped"  or "gdb -core=/usr/file"
> > but there are lots of machine-code when I read the file(core) from editor-Joe
> > Could someone share his experience  or give some clues?
> > What on earth it is for ?
>
> debugging. its a copy of what was in memory at the time the core was
> generated (usually in response to a segfault).
>
> for example, do:
>
> gdb /path/to/core /usr/bin/executable_that_generated_the_corefile
slight correction:
      gdb -c /path_to_core /path_to_exe_that_generated_the_corefile

> and type "where" at the gdb prompt.
Assumes you have compiled with the -g or -gdb option to be of much use.

Andy