<div dir="ltr"><div><div><div><div>I'm trying out the release candidate(?) as follows:<br><br>svn co <a href="http://llvm.org/svn/llvm-project/llvm/branches/release_38">http://llvm.org/svn/llvm-project/llvm/branches/release_38</a> llvm<br>svn co <a href="http://llvm.org/svn/llvm-project/cfe/branches/release_38">http://llvm.org/svn/llvm-project/cfe/branches/release_38</a> cfe<br>svn co <a href="http://llvm.org/svn/llvm-project/lldb/branches/release_38">http://llvm.org/svn/llvm-project/lldb/branches/release_38</a> lldb<br><br>cd llvm/tools<br>ln -s ../../cfe clang<br>ln -s ../../lldb lldb<br>cd ..<br>mkdir build<br>cd build<br><br>cmake -DLLVM_BUILD_LLVM_DYLIB=ON -DLLVM_LINK_LLVM_DYLIB=ON -DCMAKE_INSTALL_PREFIX=/tools/llvm/rel_38 -DLLVM_TARGETS_TO_BUILD="X86;CppBackend" -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=ON ..<br>cmake --build . -- -j4<br>sudo cmake --build . --target install<br><br><br></div>LLVM fundamentally works: I am able to link the LLVM libraries with my application, and my application passes its regression tests.<br><br></div>clang fundamentally works: it is able to compile a program.<br><br></div>But lldb:<br><br>dej@slam:~$ export LD_LIBRARY_PATH=/tools/llvm/rel_38/lib<br>dej@slam:~$ export PATH=/tools/llvm/rel_38/bin:$PATH<br>dej@slam:~$ lldb /bin/ls<br>(lldb) target create "/bin/ls"<br>Current executable set to '/bin/ls' (x86_64).<br>(lldb) r<br>Process 13656 launched: '/bin/ls' (x86_64)<br>Segmentation fault (core dumped)<br><br>dej@slam:~$ gdb lldb core<br>...<br>(gdb) bt<br>#0  0x00007fd9971b5671 in LLVMDisasmInstruction ()<br>   from /tools/llvm/rel_38/bin/../lib/../lib/<a href="http://libLLVM-3.8.so">libLLVM-3.8.so</a><br>#1  0x00007fd999e350c2 in AssemblyParse_x86::instruction_length(lldb_private::Address, int&) () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#2  0x00007fd999e37d08 in AssemblyParse_x86::get_non_call_site_unwind_plan(lldb_private::UnwindPlan&) () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#3  0x00007fd999e38e95 in UnwindAssembly_x86::GetNonCallSiteUnwindPlanFromAssembly(lldb_private::AddressRange&, lldb_private::Thread&, lldb_private::UnwindPlan&) () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#4  0x00007fd999c8693b in lldb_private::FuncUnwinders::GetAssemblyUnwindPlan(lldb_private::Target&, lldb_private::Thread&, int) ()<br>   from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#5  0x00007fd999c88594 in lldb_private::FuncUnwinders::GetUnwindPlanAtNonCallSite(lldb_private::Target&, lldb_private::Thread&, int) ()<br>   from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#6  0x00007fd999dfb16d in lldb_private::RegisterContextLLDB::GetFullUnwindPlanForFrame() () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#7  0x00007fd999dfff90 in lldb_private::RegisterContextLLDB::InitializeZerothFrame() () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#8  0x00007fd999e01e83 in lldb_private::RegisterContextLLDB::RegisterContextLLDB(lldb_private::Thread&, std::shared_ptr<lldb_private::RegisterContextLLDB> const&, lldb_private::SymbolContext&, unsigned int, lldb_private::UnwindLLDB&) ()<br>   from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#9  0x00007fd999df5d43 in lldb_private::UnwindLLDB::AddFirstFrame() ()<br>   from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#10 0x00007fd999df63d0 in lldb_private::UnwindLLDB::DoGetFrameInfoAtIndex(unsigned int, unsigned long&, unsigned long&) ()<br>   from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#11 0x00007fd999d1049b in lldb_private::StackFrameList::GetFramesUpTo(unsigned int) () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#12 0x00007fd999d11a23 in lldb_private::StackFrameList::GetFrameAtIndex(unsigned int) () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#13 0x00007fd999ce4ae1 in lldb_private::Thread::GetStackFrameAtIndex(unsigned int) () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#14 0x00007fd999cc839a in lldb_private::StopInfoBreakpoint::ShouldStopSynchronous(lldb_private::Event*) () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#15 0x00007fd999ce75b3 in lldb_private::Thread::ShouldStop(lldb_private::Event*) () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#16 0x00007fd999cee452 in lldb_private::ThreadList::ShouldStop(lldb_private::Event*) () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#17 0x00007fd999cb505b in lldb_private::Process::ShouldBroadcastEvent(lldb_private::Event*) () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#18 0x00007fd999cb5111 in lldb_private::Process::HandlePrivateEvent(std::shared_ptr<lldb_private::Event>&) ()<br>   from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#19 0x00007fd999cb5f73 in lldb_private::Process::RunPrivateStateThread(bool) ()<br>   from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#20 0x00007fd999b45d67 in lldb_private::HostNativeThreadBase::ThreadCreateTrampoline(void*) () from /tools/llvm/rel_38/bin/../lib/liblldb.so.3.8.0<br>#21 0x00007fd9990e6182 in start_thread (arg=0x7fd990f62700)<br>    at pthread_create.c:312<br>#22 0x00007fd9983da47d in clone ()<br>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111<br><br></div>Is LLDB expected to be working on Linux x64_64?<br><br></div>