I have only tried cross compiling lldb-server to 32bit. I've hit issues getting the host binaries to compile. On Mar 4, 2015 5:51 AM, "Abhishek Aggarwal" <abhiinnit...@gmail.com> wrote:
> Hi Vince > > Do you mean that you are cross-compiling LLDB or are you cross-compiling > only LLDB-server ? > Can you share with me the procedure to do it? I couldn't find any > documentation for it. > > On Fri, Feb 27, 2015 at 5:06 AM, Vince Harron <vhar...@google.com> wrote: > >> We are focusing on cross compiling the 32bit LLDB server from x86_64. We >> will eventually need to compile the 32bit host binaries on Windows but we >> aren't focused on 32 but Mac/Linux hosts. Please feel free to get this >> working. >> >> Vince >> On Feb 25, 2015 9:00 AM, "Abhishek Aggarwal" <abhiinnit...@gmail.com> >> wrote: >> >>> Hi All >>> >>> Thanks a lot for all the inputs. >>> >>> @Greg: I could make it work using the lldb-platform. I had checked out >>> source code of LLDB on Feb 16 and had built (Debug+Asserts) it on Fedora 20 >>> system (x86_64). I will like to make few comments which are inlined. >>> >>> @Vince: Are you building LLDB for x86_32 Linux ? I tried to build it >>> (Debug build) for such a system and it fails during linking process because >>> of lack of memory. >>> In order to bring up x86_32 support, are you following a different >>> approach ? I read the thread initiated by you "Transitioning to Linux local >>> debugging via lldb-gdbserver" . Are you using this approach? >>> >>> >>> On Tue, Feb 24, 2015 at 11:34 PM, Vince Harron <vhar...@google.com> >>> wrote: >>> >>>> It's only really tested on x86_64->x86_64. We are bringing up x86_32 >>>> and arm32/64 now-ish, MIPS soon to follow. >>>> >>>> Please let us know if you hit any problems! >>>> >>>> >>>> On Tue, Feb 24, 2015 at 3:52 PM, Greg Clayton <gclay...@apple.com> >>>> wrote: >>>> >>>>> The first way to do this is to use the lldb-platform to allow you to >>>>> view and launch processes on the remote host. >>>>> >>>>> On the remote machine launch lldb-server: >>>>> >>>> >>> >>>> remote.foo.com% lldb-server platform --listen=2000 --stay-alive >>>>> >>>>> >>> I had to replace "lldb-server platform" by "lldb-platform" because right >>> now, building lldb doesn't generate any binary with name lldb-server. >>> >>> >>>> Then on your host machine: >>>>> >>>>> host.bar.com% lldb >>>>> (lldb) platform select remote-linux >>>>> (lldb) platform connect connect://remote.foo.com:2000 >>>>> >>>>> Now you have a live connection to a platform server on the remote host >>>>> so you can list existing processes: >>>>> >>>>> (lldb) platform process list >>>>> (lldb) platform process attach --pid ... >>>>> >>>>> Or you can launch: >>>>> >>>>> (lldb) file /path/to/binary >>>>> (lldb) process launch -- arg1 arg2 >>>>> >>>>> The platform will launch a lldb-server to debug your programs on the >>>>> other system. >>>>> >>>>> >>> This thing worked pretty well. >>> >>> >>>> >>>>> >>>>> The other is to just directly debug a process. In this case we don't >>>>> go through the platform, we just start lldb-server on >>>>> >>>>> remote.foo.com% lldb-server gdbserver host.bar.com:2000 -- arg1 arg2 >>>>> >>>>> >>> Again , I replaced "lldb-server gdbserver" by lldb-gdbserver. >>> >>> >>>> Then attach to it: >>>>> >>>>> host.bar.com% lldb >>>>> (lldb) file /path/to/binary >>>>> (lldb) process connect connect://remote.foo.com:2000 >>>>> >>>>> >>> While running process connect command, I got the following error >>> "error: remote connections are not supported" >>> >>> >>> >>>> Now you will be stopped at the program entry point and ready to debug a >>>>> single process. >>>>> >>>>> All of this is of course using the top of tree SVN sources. It will >>>>> change a bit if you are using older sources. >>>>> >>>> >>> The above error might be because my source code is old. But I am not >>> sure given that the source code is 9 days old. >>> >>> >>>> >>>>> Greg >>>>> >>>>> >>>>> > On Feb 24, 2015, at 6:09 AM, Abhishek Aggarwal < >>>>> abhiinnit...@gmail.com> wrote: >>>>> > >>>>> > Hi All >>>>> > >>>>> > I am new to LLDB. I want to remotely debug some applications. Both >>>>> the host and target OS is Linux. >>>>> > >>>>> > I went through few discussions in this list regarding remote >>>>> debugging but I am still unclear about how to do it. >>>>> > I could figure out from the discussions that there are 2 ways to do >>>>> remote debugging: lldb-platform and lldb-gdbserver >>>>> > >>>>> > I don't know which one of them is fully functional for Linux. I >>>>> would highly appreciate some comments here. >>>>> > >>>>> > >>>>> > Thanks >>>>> > Abhiinnit >>>>> > _______________________________________________ >>>>> > lldb-dev mailing list >>>>> > lldb-dev@cs.uiuc.edu >>>>> > http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev >>>>> >>>>> >>>>> _______________________________________________ >>>>> lldb-dev mailing list >>>>> lldb-dev@cs.uiuc.edu >>>>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev >>>>> >>>> >>>> >>>> >>>> -- >>>> >>>> Vince Harron | Technical Lead Manager | vhar...@google.com | >>>> 858-442-0868 >>>> >>> >>> Thanks >>> >>> >
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