Re: [Valgrind-users] Feature like add-symbol-file for Valgrind

[Jefferson C. <jef...@gm...>]

Yes, that suppresses chkstk's accesses, but also suppresses actual 
invalid uses of stack-relative pointers.

Jefferson

On 11/18/2019 8:36 AM, Julian Seward wrote:
> 
> Did you look into using the following option?
> 
>      --ignore-range-below-sp=<number>-<number>  do not report errors for
>                                       accesses at the given offsets 
> below SP
> 
> J
> 
> On 18/11/2019 09:02, Jefferson Carpenter wrote:
>> I'm debugging a mingw-compiled exe running under Wine, and I'm getting 
>> some invalid reads in chkstk.  Assuming I don't want to "skip past" 
>> them but detect and suppress them, the most natural thing to do would 
>> be to create and use a suppressions file.
>>
>> However, the code that calls into chkstk is loaded outside of the 
>> normal "dlopen" code path, and neither Valgrind nor GDB loads symbols 
>> for it before it is jumped into.  With GDB I can use "add-symbol-file" 
>> to state where to find the symbols for it.  Does Valgrind have a 
>> similar option?
>>
>> Thanks,
>> Jefferson
>>
>>
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>