On 19/05/2011 18:28, Timur Iskhodzhanov wrote:
>> Is there a way to omit the parameters from the demangled C++ function
>> names in valgrind? Templates cause long lines, which then become
>> difficult to read, and using --demangle=no doesn't help much, mangled
>> function names are still long and not much easier to read. For example,
>> if function foo takes a reference to vector of int as an argument,
>> valgrind shows something like:
>>
>> foo(std::vector<int, std::allocator<int> > const&) (filename.cpp:100)
>>
>> This will become much worse for more complicated templates. So my
>> question is, is there any way to reduce the output to something like this?
>>
>> foo(...) (filename.cpp:100)
>>
> I think there's no such functionality in Valgrind atm.
> However, recently I wrote a function which goes almost exactly what
> you want in ThreadSanitizer for both Valgrind and PIN
> You can look at the source code here:
> http://code.google.com/p/data-race-test/source/browse/trunk/tsan/ts_util.cc?spec=svn3464&r=3442#417
> and the current set of tests here:
> http://code.google.com/p/data-race-test/source/browse/trunk/tsan/thread_sanitizer_test.cc?spec=svn3464&r=3355#259
>
> I'd be happy if someone cleans up the code and upstreams it.
> FTR, I drop the "(...)" part as well because Intel PIN doesn't give us
> the list of arguments on Windows and we wanted to have cross-platform
> suppressions for Chromium. Hence, we've decided to drop it on
> Linux/Mac too.
Thanks for that, though I do not have time to try that. As a workaround
to the problem I wrote a simple emacs function which mostly works for
me, since I usually call valgrind from emacs shell. I'm reproducing it
here in case anyone finds it useful.
(defun valgrind-cleanup-cpp ()
(interactive)
(replace-regexp "\\(.*(\\)[^)]*\\().*([^)]*)\\)" "\\1...\\2" nil
(if (and transient-mark-mode mark-active)
(region-beginning))
(if (and transient-mark-mode mark-active)
(region-end))))
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