Mail Archives: cygwin/2005/10/27/12:41:20
Jason Pyeron wrote:
> As I don't use debuggers every day, I am posing this to the list:
>
>
> On Mon, 24 Oct 2005, Jerris, Michael MI wrote:
>
>> With the patch on that bug in mantis, everything compiles great and
>> starts, but I am getting segfaults when I try to pass calls. Do you
>> know how to get a coredump, I don't seem to be able to on my machine,
>> just a stackdump which is basically useless.
You can't. Cygwin doesn't do core.
Having said that, as long as you've built the executable with debugging info
('-g'), the stackdump isn't completely useless at all. Cut'n'paste the
addresses in the second column of the file into "addr2line
--exe=<path/to/executable>" - this is easily done by cat'ing the file in a
bash shell in a standard DOS box and using the rectangular cut'n'paste feature
it provides. That should show you a backtrace with source file/line numbers,
at any rate.
Other than that, why not just run the exe under gdb, so that it will catch
the segfault when and where it happens?
cheers,
DaveK
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Can't think of a witty .sigline today....
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