I will have another look tomorrow. On Thu, Mar 31, 2016 at 11:56 AM Eran Ifrah <eran.if...@gmail.com> wrote:
> Ping... > > On Mon, Mar 28, 2016 at 10:19 PM, Eran Ifrah <eran.if...@gmail.com> wrote: > >> Sorry, the current status is that lldb-server is no longer needed, >> however the debuggee process hangs and the lldb.exe is "froze" (i.e. it >> does not accept user input) >> >> Here is the backtrace: http://pastebin.com/mbLFgCA6 >> I will try and get lldb built in debug mode for better debugging... but >> this will take sometime as the generated files are too large to written to >> the file system - (clang sources) >> >> I will teak the CMakeLists.txt files to fix this and will report back >> In the meantime, if you have any more hints/tips - I will be happy to try >> them here >> >> >> Thanks >> >> >> >> On Mon, Mar 28, 2016 at 10:13 PM, Eran Ifrah <eran.if...@gmail.com> >> wrote: >> >>> I was able to locate the problematic >>> code: ProcessWindowsLive::Initialize() was not called due to wrong macros >>> http://reviews.llvm.org/D18520 >>> >>> >>> On Mon, Mar 28, 2016 at 9:31 PM, Eran Ifrah <eran.if...@gmail.com> >>> wrote: >>> >>>> Done. >>>> >>>> http://reviews.llvm.org/D18519 >>>> >>>> >>>> On Mon, Mar 28, 2016 at 9:28 PM, Zachary Turner <ztur...@google.com> >>>> wrote: >>>> >>>>> Almost, there's one more step. Click Create a New Revision on that >>>>> screen, then give it a title and a description. For reviewers put >>>>> zturner, >>>>> and for subscribers put lldb-commits >>>>> >>>>> On Mon, Mar 28, 2016 at 11:20 AM Eran Ifrah <eran.if...@gmail.com> >>>>> wrote: >>>>> >>>>>> Is this what you meant: >>>>>> http://reviews.llvm.org/differential/diff/51809/ >>>>>> >>>>>> Thanks >>>>>> >>>>>> On Mon, Mar 28, 2016 at 8:58 PM, Zachary Turner <ztur...@google.com> >>>>>> wrote: >>>>>> >>>>>>> For the patch, can you create an account on reviews.llvm.org, and >>>>>>> upload your patch there? This makes interactive reviewing / commenting >>>>>>> much easier. Let me know if you need help getting that set up. >>>>>>> >>>>>>> On Mon, Mar 28, 2016 at 10:58 AM Zachary Turner <ztur...@google.com> >>>>>>> wrote: >>>>>>> >>>>>>>> If you compile with MSVC or Clang-cl it wouldn't ask for >>>>>>>> lldb-server. So most likely there is some code that is using #if >>>>>>>> defined(_MSC_VER) when it should be using #if defined(LLVM_ON_WINDOWS). >>>>>>>> >>>>>>>> You'll have to hunt that down, but a good starting point might be >>>>>>>> to put a breakpoint in ProcessWindowsLive::CreateInstance and then work >>>>>>>> backwards to see why that isn't getting called (assuming it's not). >>>>>>>> >>>>>>>> On Mon, Mar 28, 2016 at 9:05 AM Eran Ifrah <eran.if...@gmail.com> >>>>>>>> wrote: >>>>>>>> >>>>>>>>> On Mon, Mar 28, 2016 at 6:56 PM, Zachary Turner < >>>>>>>>> ztur...@google.com> wrote: >>>>>>>>> >>>>>>>>>> Patches welcome. If you can split it into independent pieces that >>>>>>>>>> would be helpful, but it's not always possible. >>>>>>>>>> >>>>>>>>>> Patch is attached, I think you will find it quite straight >>>>>>>>> forward - feel free to comment and send it back for revise >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>>> The NativeProcessProtocol error, that's the interface that >>>>>>>>>> converts debugging events that occur on the inferior into packets >>>>>>>>>> that can >>>>>>>>>> be sent to the server, and vice versa. Since Windows doesn't >>>>>>>>>> currently use >>>>>>>>>> lldb server, this piece has never been written for Windows >>>>>>>>> >>>>>>>>> So this raises the question: how come lldb asks for it? (see my >>>>>>>>> first emai inl this conversation) >>>>>>>>> I would have build LLDB in debug mode, but it seems that MinGW >>>>>>>>> as.exe fails to write some of the files "File too big" >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>>> >>>>>>>>>> On Mon, Mar 28, 2016 at 8:41 AM Eran Ifrah <eran.if...@gmail.com> >>>>>>>>>> wrote: >>>>>>>>>> >>>>>>>>>>> On Mon, Mar 28, 2016 at 6:10 PM, Zachary Turner < >>>>>>>>>>> ztur...@google.com> wrote: >>>>>>>>>>> >>>>>>>>>>>> I'm the main Windows maintainer, >>>>>>>>>>> >>>>>>>>>>> Hi >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>>> and while We've gotten things working pretty well on Windows, >>>>>>>>>>>> our effort has been 100% on building with msvc and/or clang-cl. >>>>>>>>>>>> Building >>>>>>>>>>>> with mingw has a different set of pre processor defines and some >>>>>>>>>>>> other >>>>>>>>>>>> subtle differences, so it doesn't surprise me that things don't >>>>>>>>>>>> work quite >>>>>>>>>>>> right. >>>>>>>>>>>> >>>>>>>>>>>> I got it to compile (I have a big patch that I can send you if >>>>>>>>>>> you are interested) >>>>>>>>>>> mainly involves blocking code under __MINGW32__ and some updates >>>>>>>>>>> to the various CMakeLists.txt and AddLLDB.cmake module files >>>>>>>>>>> Some functions are missing in MinGW implementations (like gets_s >>>>>>>>>>> and others :/) >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>>> You can try getting lldb-server to build and run under Windows, >>>>>>>>>>>> or you can try to get it to use the non lldb server codepath on >>>>>>>>>>>> MinGW, but >>>>>>>>>>>> you may still run into some >>>>>>>>>>> >>>>>>>>>>> I got lldb-server to compile and run on Windows, however, it >>>>>>>>>>> crashes immediately and the backtrace shows this: >>>>>>>>>>> >>>>>>>>>>> 0 0x0000000000724615 >>>>>>>>>>> >>>>>>>>>>> lldb_private::NativeProcessProtocol::Launch(lldb_private::ProcessLaunchInfo&, >>>>>>>>>>> lldb_private::NativeProcessProtocol::NativeDelegate&, >>>>>>>>>>> lldb_private::MainLoopBase&, >>>>>>>>>>> std::shared_ptr<lldb_private::NativeProcessProtocol>&) >>>>>>>>>>> 1 0x00000000005f815d >>>>>>>>>>> >>>>>>>>>>> lldb_private::process_gdb_remote::GDBRemoteCommunicationServerLLGS::LaunchProcess() >>>>>>>>>>> >>>>>>>>>>> 2 0x00000000004020e5 >>>>>>>>>>> >>>>>>>>>>> handle_launch(lldb_private::process_gdb_remote::GDBRemoteCommunicationServerLLGS&, >>>>>>>>>>> int, char const* const*) >>>>>>>>>>> 3 0x000000000040335e main_gdbserver(int, char**) >>>>>>>>>>> 4 0x000000000188329c main >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> I had to #ifndef __MINGW32__ around lldb-platform.cpp as it >>>>>>>>>>> contains too much Linux code that can not be compiled under Windows >>>>>>>>>>> (fork, >>>>>>>>>>> exec*) >>>>>>>>>>> and basically lldb-server calls the main_gdbserver instead of >>>>>>>>>>> main_platform function >>>>>>>>>>> >>>>>>>>>>> Looking at the function that crashes, I see this: >>>>>>>>>>> >>>>>>>>>>> llvm_unreachable("Platform has no NativeProcessProtocol >>>>>>>>>>> support"); >>>>>>>>>>> >>>>>>>>>>> Any ideas? >>>>>>>>>>> Thanks! >>>>>>>>>>> >>>>>>>>>>> issues after that as well, since you're the first person afaik >>>>>>>>>>>> to try building with MinGW >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>>> On Sun, Mar 27, 2016 at 10:29 PM Eran Ifrah via lldb-dev < >>>>>>>>>>>> lldb-dev@lists.llvm.org> wrote: >>>>>>>>>>>> >>>>>>>>>>>>> Hi, >>>>>>>>>>>>> >>>>>>>>>>>>> I have built LLDB on Windows 7 using MinGW64/4.9.2 (took some >>>>>>>>>>>>> effort to get the job done...) >>>>>>>>>>>>> When I tried to debug a simple hello world executable, I get >>>>>>>>>>>>> this output: >>>>>>>>>>>>> >>>>>>>>>>>>> D:\software\msys-for-clang\1.0\home\PC\build-release-64-lldb\bin>lldb.exe >>>>>>>>>>>>> HelloWorld.exe >>>>>>>>>>>>> (lldb) target create "HelloWorld.exe" >>>>>>>>>>>>> Current executable set to 'HelloWorld.exe' (x86_64). >>>>>>>>>>>>> (lldb) b main.cpp:7 >>>>>>>>>>>>> Breakpoint 1: where = HelloWorld.exe`main + 26 at main.cpp:7, >>>>>>>>>>>>> address = 0x000000000040154a >>>>>>>>>>>>> (lldb) r >>>>>>>>>>>>> error: process launch failed: unable to locate lldb-server >>>>>>>>>>>>> (lldb) >>>>>>>>>>>>> >>>>>>>>>>>>> I can't seem to locate lldb-server anywhere, and according >>>>>>>>>>>>> to LLDBConfig.cmake, this target should not get built on Windows: >>>>>>>>>>>>> >>>>>>>>>>>>> # Figure out if lldb could use lldb-server. If so, then we'll >>>>>>>>>>>>> # ensure we build lldb-server when an lldb target is being >>>>>>>>>>>>> built. >>>>>>>>>>>>> if ((CMAKE_SYSTEM_NAME MATCHES "Darwin") OR >>>>>>>>>>>>> (CMAKE_SYSTEM_NAME MATCHES "FreeBSD") OR >>>>>>>>>>>>> (CMAKE_SYSTEM_NAME MATCHES "Linux") OR >>>>>>>>>>>>> (CMAKE_SYSTEM_NAME MATCHES "NetBSD")) >>>>>>>>>>>>> set(LLDB_CAN_USE_LLDB_SERVER 1) >>>>>>>>>>>>> else() >>>>>>>>>>>>> set(LLDB_CAN_USE_LLDB_SERVER 0) >>>>>>>>>>>>> endif() >>>>>>>>>>>>> >>>>>>>>>>>>> and in the tools/CMakeLists.txt file we have this: >>>>>>>>>>>>> >>>>>>>>>>>>> if (LLDB_CAN_USE_LLDB_SERVER) >>>>>>>>>>>>> add_subdirectory(lldb-server) >>>>>>>>>>>>> endif() >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> Any ideas? >>>>>>>>>>>>> >>>>>>>>>>>>> Thanks, >>>>>>>>>>>>> >>>>>>>>>>>>> -- >>>>>>>>>>>>> Eran Ifrah, >>>>>>>>>>>>> Author of >>>>>>>>>>>>> CodeLite >>>>>>>>>>>>> , a cross platform open source C/C++ IDE: >>>>>>>>>>>>> http://www.codelite.org >>>>>>>>>>>>> CodeLite IDE Blog: http://codeliteide.blogspot.com/ >>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>> lldb-dev mailing list >>>>>>>>>>>>> lldb-dev@lists.llvm.org >>>>>>>>>>>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> -- >>>>>>>>>>> Eran Ifrah, >>>>>>>>>>> Author of codelite, a cross platform open source C/C++ IDE: >>>>>>>>>>> http://www.codelite.org >>>>>>>>>>> CodeLite IDE Blog: http://codeliteide.blogspot.com/ >>>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>>> Eran Ifrah, >>>>>>>>> Author of codelite, a cross platform open source C/C++ IDE: >>>>>>>>> http://www.codelite.org >>>>>>>>> CodeLite IDE Blog: http://codeliteide.blogspot.com/ >>>>>>>>> >>>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> Eran Ifrah, >>>>>> Author of codelite, a cross platform open source C/C++ IDE: >>>>>> http://www.codelite.org >>>>>> CodeLite IDE Blog: http://codeliteide.blogspot.com/ >>>>>> >>>>> >>>> >>>> >>>> -- >>>> Eran Ifrah, >>>> Author of codelite, a cross platform open source C/C++ IDE: >>>> http://www.codelite.org >>>> CodeLite IDE Blog: http://codeliteide.blogspot.com/ >>>> >>> >>> >>> >>> -- >>> Eran Ifrah, >>> Author of codelite, a cross platform open source C/C++ IDE: >>> http://www.codelite.org >>> CodeLite IDE Blog: http://codeliteide.blogspot.com/ >>> >> >> >> >> -- >> Eran Ifrah, >> Author of codelite, a cross platform open source C/C++ IDE: >> http://www.codelite.org >> CodeLite IDE Blog: http://codeliteide.blogspot.com/ >> > > > > -- > Eran Ifrah, > Author of codelite, a cross platform open source C/C++ IDE: > http://www.codelite.org > CodeLite IDE Blog: http://codeliteide.blogspot.com/ >
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