[lldb-dev] Merging/Unification of windows and trunk builds

[Thirumurthi, Ashok]

Nice to hear, Deepak,

Are you in a position to run the test suite on Windows?  Have you considered breaking down the work into more focused patches?

I expect that LLDB will be branched in early November (around the time of the next llvm developer conference).  That gives folks a chance to meet in person to resolve release blockers.  So, it would be good to aim for a stable trunk on that time-frame,


-        Ashok

From: lldb-dev-bounces at cs.uiuc.edu [mailto:lldb-dev-bounces at cs.uiuc.edu] On Behalf Of Deepak Panickal
Sent: Monday, September 16, 2013 10:42 AM
To: lldb-dev at cs.uiuc.edu
Subject: Re: [lldb-dev] Merging/Unification of windows and trunk builds

Hello all,

Recently, there has been quite some activity towards more Windows support in LLDB. We have been working on this for a while and have created a patch based on the Windows branch and the changes Virgile has been committing to trunk.
The aim being for the patch to successfully build in Visual Studio 2012 for those developers who want 'native' windows support. The November CTP version of the Visual Studio 2012 compiler has to be used due to the recent C++11 changes in trunk.

We've created an LLDB driver as well for Windows by removing the editline dependency on Windows. This is just support for the lldb library itself, we have not added on-windows debugging. We primarily use Windows LLDB with the remote plugins.

The patch will be ready soon as we're doing a final cleanup and we'll submit it shortly.
Thanks,
Deepak

On 27/08/2013 16:54, Virgile Bello wrote:
Yes sure, I keep in touch with Carlos. He's been very helpful and supportive.

MSVC11 changes are related to the lack of <functional>, and some template instantiations issues, so not so huge different but that might be enough so that it is better kept as a separate patch/branch until everybody migrate to MSVC12? (MSVC11 doesn't support full C++11 which LLDB targets, so if we want to keep trunk clean from those issues it seems to be the only option).
Note that you can compile it in MSVC11 with toolset vc120.

For lldbProcessWindows, I will merge it to LLDB.
For the MSVC AD7 debugengine, not sure yet if I will open-source it or do a low-cost commercial product out of it.

Didn't have a chance to check embarcadero code yet, I will do that as soon as I am finished with the windows patches. However, it seems they took a different approach (using windows implementation of POSIX functions).

Sincerely,
Virgile

On Mon, Aug 26, 2013 at 3:41 AM, João Matos <ripzonetriton at gmail.com<mailto:ripzonetriton at gmail.com>> wrote:
On Sun, Aug 25, 2013 at 1:53 PM, Virgile Bello <virgile.bello at gmail.com<mailto:virgile.bello at gmail.com>> wrote:
I currently target MSVC12 since it is supposed to have better C++11 support, but going from MSVC12 to MSVC11 is only a few changes.

If everybody is OK to go this way, most of the windows branch will end up being merged.
If people are interested in helping, I could publish the branch so we could work on it together.

After that there might still be some changes in the windows branch that I didn't do, so it would be good to evaluate what's left (but probably not so much).

I am OK with this, but better talk with Carlos to make sure you get all of the fixes he has been piling on top of the Windows branch. I'll try to test your patches with MSVC11 and report whatever problems are found.

Now, I happen to be working on the lldbProcessWindows/lldbDynamicLibraryWindows plugins. Many features are working (stack trace, breakpoints, stepping, disassembly, threads, locals, etc...).
I currently use it in a MSVC DebugEngine plugin. It's still early stage but it's starting to work.

Let me know what you think!

This sounds awesome. I'd love to give it a try, are you open-sourcing the plugin?

Also are you re-using any of the work that was open-sourced by Embarcadero for the port? I only gave it a quick glance, but it seemed to have a lot of code that could be re-used.

--
João Matos





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