Mail Archives: cygwin-developers/2002/01/14/14:24:02

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Date: Mon, 14 Jan 2002 14:18:52 -0500
From: Charles Wilson <cwilson AT ece DOT gatech DOT edu>
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To: egor duda <cygwin-developers AT cygwin DOT com>
CC: Jonathan Kamens <jik AT curl DOT com>
Subject: Re: Am I using dumper.exe correctly?
References: <20020110214350 DOT 30413 DOT qmail AT lizard DOT curl DOT com> <380850877 DOT 20020111104002 AT logos-m DOT ru> <20020114175405 DOT 9881 DOT qmail AT lizard DOT curl DOT com> <96167013072 DOT 20020114211637 AT logos-m DOT ru>

</me cringes>
Is it possible that gdb has problems with the new, Paul-Sokolovsky-style 
auto-importable DLLs?   Hmmm...using dllhelpers-0.2.6 (pre-auto-import) 
and dllhelpers-0.2.9 (post-) and running gdb on the test executables 
should answer that question.  I'll try to run that simple test later 
this week if nobody beats me to it...


egor duda wrote:

> Hi!
> Monday, 14 January, 2002 Jonathan Kamens jik AT curl DOT com wrote:
> JK> OK, so I tried reconfiguring without --enable-threadsafe and
> JK> --enable-extra-threadsafe-checking.  It's faster, bug gdb still
> JK> crashes when I try to use it to look at an exe and core file produced
> JK> by dumper.
> Hmm. Does resulting core dump "looks" ok? it should be elf file of
> size 1MB or more. Do i remember correctly that gdb crashes even on
> coredump created by simple { int* x=0; *x=1; } program?
>>> can you try "gdb -nw --core=foo.exe.core" in the step 5?
> JK> No, that coredumps too.
>>> what version of gdb are you using?
> JK> Version 1.3.6-6 of the cygwin package (although I've actually built
> JK> the DLL from the repository -- I'm telling you the version of this
> JK> package I'm using so you know which dumper.exe I'm using) and version
> JK> 20010428-3 of the gdb package.
> this should be fine.
> JK> Do I need to update dumper.exe from the current repository along with
> JK> cygwin1.dll, or is it safe to use dumper.erxe from the cygwin 1.3.6-6
> JK> package?
> I haven't changed anything in dumper since 1.3.6-6, so it's probably
> won't help.
> you can wrap dumper.exe into dumper.cmd file and call it with
> debugging output to see what's going on.
> anyway, i believe that even if dumper creates wrong dump file, gdb
> shouldn't crash on it. Is it possible for you to send me by private
> mail your foo.exe.core.bz2 (along with debugging output from
> dumper.exe, if possible), so i could take a look at them?
> Egor.            mailto:deo AT logos-m DOT ru ICQ 5165414 FidoNet 2:5020/496.19

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