Valgrinding large win32 app worked!

Eric Pouech eric.pouech at orange.fr
Thu Jan 17 14:09:25 CST 2008


>> the hard part is to tell valgrind about information about modules it
>> doesn't know of:
>> - it doesn't know about the loading of the module (it's seen by vg as a
>> simple mmap)
>> - it doesn't know about the PE native debug information (whatever it is)
>>
>> the simplest approach would be to somehow:
>> - use the --db-attach option in vg to hook to a debugger on every error
>> (one hurdle is that valgrind doesn't allow both trace-children and
>> db-attach)
>> - then use winedbg to get a backtrace (or similar info) from the running
>> program (winedbg will be able to get to both .pdb and dwarf debug info)
>>
>> the ultimate goal is rather to ask vg to support new messages about:
>> - loading / unloading modules
>> - having external .so files to understand more detailed information, and
>> implement in them pdb and coff support
>>     
>
> Thanks for the tips.  I don't suppose you'd have time to look at any
> of this?  :-)
> - Dan
>   
since you're asking, no ;-)
A+

-- 
Eric Pouech
"The problem with designing something completely foolproof is to underestimate the ingenuity of a complete idiot." (Douglas Adams)





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