Re: [Libunwind-devel] using libunwind on Windows

[Martin Hundebøll]

Hi Vincent / libunwind dev

I came across this patch and I propose it being included in upstream 
libunwind:
https://github.com/Alexpux/MINGW-packages/blob/master/mingw-w64-libunwind-svn/0001-libunwind-add-support-for-mingw-w64.patch

Thanks,
Martin

On 2015-12-13 09:29, Vincent Torri wrote:
> Hello
>
> I am writing a small valgrind-like program on Windows, to detect
> memleak and some errors that valgrind's memcheck identifies.
>
> Currently, for the backtrace, I use the Windows API if compiled with
> vc++, and libbfd if compiled with gcc (mingw-w64). libbfd works well
> (i get file, function ad line number that I want), but the licence is
> a problem (GPL v3).
>
> libdwarf seems big, libunwind seems smaller, and according to the
> documentation, libunwind can manage DWARF format
>
> If I'm not mistaken, the GNU linker provides debugging informations in
> the DWARF format on Windows.
>
> I have 2 questions:
>
> 1) Do you think that libunwind could indeed provide backtrace from
> programs/libraries linked with the GNU linker on Windows ?
>
> 2) if yes, as i am quite interested to have libunwind on Windows,
> compiling it with MSYS/mingw-w64 (not vc++), where should I start, and
> which files should I look first ?
>
> Note that I would like to provide patches upstream, not to fork libunwind.
>
> thank you
>
> Vincent Torri

--
Kind Regards,
Martin Hundebøll
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