[lldb-dev] LLDB Machine Interface Frontend

Deepak Panickal deepak at codeplay.com
Mon May 19 04:26:03 PDT 2014


Hi Eran,

Here's the link to download the MinSizeRel build.
https://db.tt/CdvFKVcN

Thanks,
Deepak


On 16/05/2014 21:01, Eran Ifrah wrote:
>
>
>
> On Fri, May 16, 2014 at 9:55 PM, Eran Ifrah <eran.ifrah at gmail.com 
> <mailto:eran.ifrah at gmail.com>> wrote:
>
>
>
>
>     On Fri, May 16, 2014 at 8:23 PM, Deepak Panickal
>     <deepak at codeplay.com <mailto:deepak at codeplay.com>> wrote:
>
>         Hi Eran,
>
>         I tried it here with a Debug build and a MinSizeRel build, but
>         no crashes.
>
>         Did you try to launch it from an IDE or simply ran it?
>
>     ​ I tried it from the command line
>
>     FYI:
>     I am using Windows 7 (64), Visual Studio 2013 (express edition)
>     Can you upload your lldb-mi.exe / liblldb.dll somewhere so I could
>     try it here and see if its a problem with my build?
>
>>
>         Could you please try a debug build?
>
>     ​ Will do
>
> here is the backtrace from the crash (it crashes on a va_copy() 
> call... arg) :
>
>      msvcr120d.dll!5ccefb53()    Unknown
>      [Frames below may be incorrect and/or missing, no symbols loaded 
> for msvcr120d.dll]
>      [External Code]
> >    lldb-mi.exe!CMIUtilString::FormatPriv(const CMIUtilString & 
> vrFormat, char * vArgs) Line 114 C++
>      lldb-mi.exe!CMIUtilString::Format(const CMIUtilString & 
> vrFormating, ...) Line 139    C++
>      lldb-mi.exe!CMIDriverMgr::GetAppVersion() Line 577    C++
>      lldb-mi.exe!CMICmnLog::Initialize() Line 83    C++
>      lldb-mi.exe!MI::ModuleInit<CMICmnLog>(const int vErrorResrcId, 
> bool & vwrbOk, CMIUtilString & vwrErrMsg) Line 50    C++
>      lldb-mi.exe!CMIDriverMgr::Initialize() Line 82 C++
>      lldb-mi.exe!DriverSystemInit() Line 199    C++
>      lldb-mi.exe!main(int argc, const char * * argv) Line 317    C++
>      [External Code]
>
> And for your convenience, here is the "Locals" view during the crash:
> vrFormat    "%s\n%s\n%s"    const CMIUtilString &
> vArgs    0x00bdf334 "ÌÌÌÌ| \x15"    char *
> argsCpy    0x00bdf334 "ÌÌÌÌ| \x15"    char *
> nFinal    0    int
> pFormatted    unique_ptr 37 '%' std::unique_ptr<char 
> [0],std::default_delete<char [0]> >
> n    16    int
> strResult    ""    CMIUtilString
>
> Hope it will give you a hint
>>
>
>         We'll look into it more to see if we can find something.
>
>         Thanks,
>         Deepak
>
>
>         On 16/05/2014 17:04, Eran Ifrah wrote:
>>         Hi Deepak,
>>
>>         I have just updated and rebuilt the tree on Windows
>>         Starting lldb-mi.exe -> instantly crashes
>>         for comparison, starting lldb.exe it starts normally without
>>         any crash
>>
>>         I built it using VS2013, I selected the 'MinSizeRel' build
>>         configuration
>>         Unfortunately, running it under VS, gives a useless backtrace
>>         (only addresses)
>>
>>         I could try and build it with debug info, but it just takes
>>         too much time :D
>>
>>         Eran
>>
>>
>>
>>
>>         On Fri, May 16, 2014 at 6:50 PM, <jingham at apple.com
>>         <mailto:jingham at apple.com>> wrote:
>>
>>             Excellent!  Again, thanks for working on this.
>>
>>             Jim
>>
>>             On May 16, 2014, at 4:15 AM, Deepak Panickal
>>             <deepak at codeplay.com <mailto:deepak at codeplay.com>> wrote:
>>
>>             > Thanks Jim, have just committed it. Yeah, it works with
>>             the GDB/MI interface.
>>             >
>>             > There's no GPL code, it's all written from scratch.
>>             > Not all MI commands have been implemented yet, however
>>             it should be enough to set breakpoints, view locals.
>>             > We're working on adding more commands for
>>             viewing/modifying registers, memory etc.
>>             >
>>             > It'll be great if more people from the community can
>>             use and test it with other GUIs!
>>             >
>>             > Thanks,
>>             > Deepak
>>             >
>>             >
>>             > On 15/05/2014 18:57, jingham at apple.com
>>             <mailto:jingham at apple.com> wrote:
>>             >> First off, thanks for doing this, that is great!  If
>>             this also works with the gdb-mi mode, you will make our
>>             emacs friends happy as well.
>>             >>
>>             >> If this is just an independent tool that doesn't touch
>>             the core lldb sources (and doesn't use anything directly
>>             from the gdb MI implementation, since we don't want to
>>             mix GPL'ed code in with lldb), I see no reason not to
>>             just check it in now, and then iterate on it in situ.
>>              That is much easier than handing around patch files, and
>>             since there's no chance it will interfere with anybody
>>             working on parts of lldb that existed before the patch,
>>             can't do any harm.  I spoke to GregC and he agrees this
>>             is a reasonable course.
>>             >>
>>             >> Again, thanks for working on this.
>>             >>
>>             >> Jim
>>             >>
>>             >>
>>             >> On May 15, 2014, at 10:17 AM, Deepak Panickal
>>             <deepak at codeplay.com <mailto:deepak at codeplay.com>> wrote:
>>             >>
>>             >>> Hi Abid,
>>             >>>
>>             >>> Thank you, I have attached the zipped patch.
>>             >>> You might have to the change the triple in
>>             tools/lldb-mi/MICmnConfig.h for your target.
>>             >>>
>>             >>> Please let me know if you have any comments/suggestions.
>>             >>>
>>             >>> Thanks,
>>             >>> Deepak
>>             >>>
>>             >>> On 15/05/2014 17:10, Abid, Hafiz wrote:
>>             >>>> Hi Deepak,
>>             >>>> I can help review/test it when you post the patch.
>>             >>>>
>>             >>>> Thanks,
>>             >>>> Abid
>>             >>>>
>>             >>>>> -----Original Message-----
>>             >>>>> From: lldb-dev-bounces at cs.uiuc.edu
>>             <mailto:lldb-dev-bounces at cs.uiuc.edu>
>>             [mailto:lldb-dev-bounces at cs.uiuc.edu
>>             <mailto:lldb-dev-bounces at cs.uiuc.edu>]
>>             >>>>> On Behalf Of Deepak Panickal
>>             >>>>> Sent: 15 May 2014 12:14
>>             >>>>> To: lldb-dev at cs.uiuc.edu <mailto:lldb-dev at cs.uiuc.edu>
>>             >>>>> Subject: [lldb-dev] LLDB Machine Interface Frontend
>>             >>>>>
>>             >>>>> Hi,
>>             >>>>>
>>             >>>>> We have an MI (Machine Interface) frontend to LLDB
>>             which works out of the
>>             >>>>> box with Eclipse, and likely will work with other
>>             GUI's based on the GDB/MI
>>             >>>>> interface. It's been tested on Linux and Windows.
>>             >>>>>
>>             >>>>> It's ready to upstream and has been developed as an
>>             independent tool
>>             >>>>> residing in the LLDB tools folder. It's based on
>>             the LLDB public API without
>>             >>>>> any changes to LLDB internals.
>>             >>>>>
>>             >>>>> The patch is quite large as there are many new files.
>>             >>>>> How should we go about upstreaming? Should I create
>>             a diff review as
>>             >>>>> usual?
>>             >>>>>
>>             >>>>> Thanks,
>>             >>>>> Deepak
>>             >>>>> _______________________________________________
>>             >>>>> lldb-dev mailing list
>>             >>>>> lldb-dev at cs.uiuc.edu <mailto:lldb-dev at cs.uiuc.edu>
>>             >>>>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
>>             >>>
>>             <lldb-mi-driver.patch.bz2>_______________________________________________
>>             >>> lldb-dev mailing list
>>             >>> lldb-dev at cs.uiuc.edu <mailto:lldb-dev at cs.uiuc.edu>
>>             >>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
>>             >
>>
>>             _______________________________________________
>>             lldb-dev mailing list
>>             lldb-dev at cs.uiuc.edu <mailto:lldb-dev at cs.uiuc.edu>
>>             http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
>>
>>
>>
>>
>>         -- 
>>         Eran Ifrah
>>         Author of codelite, a cross platform open source C/C++ IDE:
>>         http://www.codelite.org
>>         wxCrafter, a wxWidgets RAD: http://wxcrafter.codelite.org
>>         <http://wxcrafter.codelite.org>
>
>
>
>
>     -- 
>     Eran Ifrah
>     Author of codelite, a cross platform open source C/C++ IDE:
>     http://www.codelite.org
>     wxCrafter, a wxWidgets RAD: http://wxcrafter.codelite.org
>     <http://wxcrafter.codelite.org>
>
>
>
>
> -- 
> Eran Ifrah
> Author of codelite, a cross platform open source C/C++ IDE: 
> http://www.codelite.org
> wxCrafter, a wxWidgets RAD: http://wxcrafter.codelite.org 
> <http://wxcrafter.codelite.org>

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