Not all platforms use the same C++ name mangling. Clang follows the Itanium ABI specification which is what both the built-in LLDB demanglers understand.
Kate Stone k8st...@apple.com Xcode Low Level Tools > On Mar 18, 2016, at 3:50 PM, Jeffrey Tan via lldb-dev > <lldb-dev@lists.llvm.org> wrote: > > Thanks Jim. This is very helpful. > We have double checked the libiberty we are building against which seems > already be updated two weeks ago so this bug might not been fixed yet. > Rebuilding LLDB_USE_BUILTIN_DEMANGLER fixed this stack overflow. > > Questions: > 1. Any reason LLDB_USE_BUILTIN_DEMANGLER is not used for other platforms? > 2. Any side-effect if I use LLDB_USE_BUILTIN_DEMANGLER for lldb on other > platform? > >> On Thu, Mar 17, 2016 at 7:04 PM, Jim Ingham <jing...@apple.com> wrote: >> The code that has gotten itself into an infinite loop here is the libiberty >> cp-demangle.c, which is part of the C++ runtime libraries for the system you >> are on. So we can't do anything to fix bugs with that. You might make sure >> there isn't a newer version of that than the one on your system, but other >> than fixing the bugs in it yourself, there's not much we can do about that >> one. >> >> However, if you build lldb with LLDB_USE_BUILTIN_DEMANGLER defined it will >> do two things, it will trigger the FastDemangler that Kate wrote, and if >> that succeeds, yay! Otherwise it will fall back to another demangler that >> comes along with the C++ standard libraries from the llvm project. That >> one, like the cp-demangle.c is very stack intensive, but it might not have >> whatever bug you are triggering in the libiberty one. And if it does have >> crashing bugs somebody in the clang world could fix them... >> >> Anyway, you might try that and see if you have any more luck. IIRC, FreeBSD >> uses the llvm one in favor of the libiberty one. >> >> Jim >> >> >> > On Mar 17, 2016, at 6:09 PM, Jeffrey Tan via lldb-dev >> > <lldb-dev@lists.llvm.org> wrote: >> > >> > This is crazy. I tried 10MB, not working, then 20MB still not working. I >> > got around 80K frames stack overflow, this is clearly an infinitely loop >> > in "d_print_comp": >> > >> > (gdb) bt >> > #0 0x00007f35925511e1 in d_print_comp (dpi=0x7f3586747c00, options=17, >> > dc=0x7f3586743bb0) at cp-demangle.c:4324 >> > #1 0x00007f35925511e6 in d_print_comp (dpi=dpi@entry=0x7f3586747c00, >> > options=options@entry=17, dc=0x7f3586743be0) at cp-demangle.c:4324 >> > #2 0x00007f3592551010 in d_print_comp (dpi=0x7f3586747c00, options=17, >> > dc=0x7f3586743ca0) at cp-demangle.c:4489 >> > #3 0x00007f35925511e6 in d_print_comp (dpi=dpi@entry=0x7f3586747c00, >> > options=options@entry=17, dc=0x7f3586743cd0) at cp-demangle.c:4324 >> > #4 0x00007f3592551010 in d_print_comp (dpi=0x7f3586747c00, options=17, >> > dc=0x7f3586744030) at cp-demangle.c:4489 >> > #5 0x00007f3592554353 in d_print_mod (dpi=dpi@entry=0x7f3586747c00, >> > options=options@entry=17, mod=<optimized out>) at cp-demangle.c:5539 >> > #6 0x00007f3592554dbe in d_print_mod_list (dpi=dpi@entry=0x7f3586747c00, >> > options=options@entry=17, mods=mods@entry=0x7f358534a7b0, >> > suffix=suffix@entry=0) at cp-demangle.c:5468 >> > #7 0x00007f35925556a1 in d_print_function_type >> > (dpi=dpi@entry=0x7f3586747c00, options=options@entry=17, >> > mods=0x7f358534a7b0, dc=0x7f3586744138) at cp-demangle.c:5609 >> > #8 0x00007f359255010c in d_print_comp (dpi=dpi@entry=0x7f3586747c00, >> > options=options@entry=17, dc=0x7f3586744138) at cp-demangle.c:4808 >> > #9 0x00007f359254fa01 in d_print_comp (dpi=0x7f3586747c00, options=17, >> > dc=0x7f3586744150) at cp-demangle.c:4434 >> > ..... >> > >> > #79590 0x00007f35925526b3 in d_print_comp (dpi=dpi@entry=0x7f3586747c00, >> > options=options@entry=17, dc=0x7f3586744108) at cp-demangle.c:4529 >> > #79591 0x00007f359255023b in d_print_comp (dpi=dpi@entry=0x7f3586747c00, >> > options=options@entry=17, dc=0x7f3586744408) at cp-demangle.c:4742 >> > #79592 0x00007f3592553448 in d_print_comp (dpi=dpi@entry=0x7f3586747c00, >> > options=options@entry=17, dc=0x7f3586744450) at cp-demangle.c:4793 >> > #79593 0x00007f359254fa01 in d_print_comp (dpi=dpi@entry=0x7f3586747c00, >> > options=options@entry=17, dc=dc@entry=0x7f3586744468) at cp-demangle.c:4434 >> > #79594 0x00007f3592555f53 in d_demangle_callback (options=17, >> > opaque=0x7f3586742cc0, callback=0x7f359254b820 >> > <d_growable_string_callback_adapter>, dc=0x7f3586744468) at >> > cp-demangle.c:4063 >> > #79595 0x00007f3592555f53 in d_demangle_callback (mangled=<optimized out>, >> > mangled@entry=0x0, callback=callback@entry=0x7f359254b820 >> > <d_growable_string_callback_adapter>, opaque=opaque@entry=0x7f3586747db0, >> > options=17) at cp-demangle.c:5865 >> > #79596 0x00007f359255609f in __cxa_demangle (options=17, palc=<synthetic >> > pointer>, mangled=0x0) at cp-demangle.c:5886 >> > >> > #79597 0x00007f359255609f in __cxa_demangle >> > (mangled_name=mangled_name@entry=0x7f3570e3d460 >> > "_ZNSt9_Any_data9_M_accessIPPZN5folly6fibers12FiberManager16runInMainContextIZN8facebook8memcache15CacheClientImplINS6_17CControllerCommonINS1_7dynamicEEEE11multiOpSyncINS6_11McOperationILi11EEESt6vect"..., >> > output_buffer=output_buffer@entry=0x0, length=length@entry=0x0, >> > status=status@entry=0x0) at cp-demangle.c:5950 >> > #79598 0x00007f359417cc57 in >> > lldb_private::Mangled::GetDemangledName(lldb::LanguageType) const >> > (this=this@entry=0x7f3584288310, >> > language=language@entry=lldb::eLanguageTypeC_plus_plus) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Core/Mangled.cpp:316 >> > >> > #79599 0x00007f359427adca in lldb_private::Symtab::InitNameIndexes() >> > (this=0x7f35701a8ff0) at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Symbol/Symtab.cpp:334 >> > #79600 0x00007f359427c0b8 in >> > lldb_private::Symtab::FindAllSymbolsWithNameAndType(lldb_private::ConstString >> > const&, lldb::SymbolType, std::vector<unsigned int, >> > std::allocator<unsigned int> >&) (this=this@entry=0x7f35701a8ff0, >> > name=..., symbol_type=symbol_type@entry=lldb::eSymbolTypeAny, >> > symbol_indexes=...) at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Symbol/Symtab.cpp:819 >> > >> > #79601 0x00007f359417fec2 in >> > lldb_private::Module::FindSymbolsWithNameAndType(lldb_private::ConstString >> > const&, lldb::SymbolType, lldb_private::SymbolContextList&) >> > (this=0x7f35700605a0, name=..., >> > symbol_type=symbol_type@entry=lldb::eSymbolTypeAny, sc_list=...) at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Core/Module.cpp:1432 >> > #79602 0x00007f359418681d in >> > lldb_private::ModuleList::FindSymbolsWithNameAndType(lldb_private::ConstString >> > const&, lldb::SymbolType, lldb_private::SymbolContextList&, bool) const >> > (this=this@entry=0x7f35867484b0, name=..., >> > symbol_type=symbol_type@entry=lldb::eSymbolTypeAny, sc_list=..., >> > append=append@entry=false) at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Core/ModuleList.cpp:573 >> > #79603 0x00007f3594533626 in >> > JITLoaderGDB::GetSymbolAddress(lldb_private::ModuleList&, >> > lldb_private::ConstString const&, lldb::SymbolType) const >> > (this=this@entry=0x7f3570042990, module_list=..., name=..., >> > symbol_type=symbol_type@entry=lldb::eSymbolTypeAny) at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Plugins/JITLoader/GDB/JITLoaderGDB.cpp:500 >> > >> > >> > >> > #79604 0x00007f35945354cb in >> > JITLoaderGDB::SetJITBreakpoint(lldb_private::ModuleList&) >> > (this=0x7f3570042990, module_list=...) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Plugins/JITLoader/GDB/JITLoaderGDB.cpp:177 >> > #79605 0x00007f359432b910 in >> > lldb_private::JITLoaderList::ModulesDidLoad(lldb_private::ModuleList&) >> > (this=<optimized out>, module_list=...) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/JITLoaderList.cpp:76 >> > #79606 0x00007f35942c80f8 in >> > lldb_private::Process::ModulesDidLoad(lldb_private::ModuleList&) >> > (this=this@entry=0x8919b0, module_list=...) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Process.cpp:6370 >> > #79607 0x00007f3594412091 in >> > lldb_private::process_gdb_remote::ProcessGDBRemote::ModulesDidLoad(lldb_private::ModuleList&) >> > (this=0x8919b0, module_list=...) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp:4927 >> > #79608 0x00007f35942f2131 in >> > lldb_private::Target::ModulesDidLoad(lldb_private::ModuleList&) >> > (this=0x88d0d0, module_list=...) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Target.cpp:1400 >> > #79609 0x00007f35942fbb58 in >> > lldb_private::Target::ModuleAdded(lldb_private::ModuleList const&, >> > std::shared_ptr<lldb_private::Module> const&) (this=0x88d0d0, >> > module_list=..., module_sp=...) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Target.cpp:1364 >> > #79610 0x00007f3594187f28 in >> > lldb_private::ModuleList::AppendImpl(std::shared_ptr<lldb_private::Module> >> > const&, bool) (this=0x88d3d0, module_sp=..., >> > use_notifier=use_notifier@entry=true) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Core/ModuleList.cpp:110 >> > #79611 0x00007f3594187f6a in >> > lldb_private::ModuleList::Append(std::shared_ptr<lldb_private::Module> >> > const&) (this=<optimized out>, module_sp=...) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Core/ModuleList.cpp:117 >> > #79612 0x00007f35942f0def in >> > lldb_private::Target::GetSharedModule(lldb_private::ModuleSpec const&, >> > lldb_private::Error*) (this=this@entry=0x88d0d0, module_spec=..., >> > error_ptr=error_ptr@entry=0x0) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Target.cpp:1924 >> > #79613 0x00007f359463fb48 in >> > lldb_private::DynamicLoader::LoadModuleAtAddress(lldb_private::FileSpec >> > const&, unsigned long, unsigned long, bool) (this=<optimized out>, >> > file=..., link_map_addr=139710961516544, base_addr=139710941827072, >> > base_addr_is_offset=<optimized out>) at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Core/DynamicLoader.cpp:192 >> > #79614 0x00007f35943a664a in >> > DynamicLoaderPOSIXDYLD::LoadAllCurrentModules() (this=0x7f3570038570) >> > ---Type <return> to continue, or q <return> to quit--- >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp:521 >> > #79615 0x00007f35943a88f0 in DynamicLoaderPOSIXDYLD::DidAttach() >> > (this=0x7f3570038570) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp:181 >> > #79616 0x00007f35942c546c in lldb_private::Process::CompleteAttach() >> > (this=0x8919b0) at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Process.cpp:3443 >> > #79617 0x00007f35942c6236 in >> > lldb_private::Process::AttachCompletionHandler::PerformAction(std::shared_ptr<lldb_private::Event>&) >> > (this=0x8b5f60, event_sp=...) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Process.cpp:3194 >> > #79618 0x00007f35942ce98c in >> > lldb_private::Process::HandlePrivateEvent(std::shared_ptr<lldb_private::Event>&) >> > (this=this@entry=0x8919b0, event_sp=...) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Process.cpp:4184 >> > #79619 0x00007f35942cf9bd in >> > lldb_private::Process::RunPrivateStateThread(bool) (this=0x8919b0, >> > is_secondary_thread=<optimized out>) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Process.cpp:4429 >> > #79620 0x00007f3594127421 in >> > lldb_private::HostNativeThreadBase::ThreadCreateTrampoline(void*) >> > (arg=0x8b5f40) >> > at >> > /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Host/common/HostNativeThreadBase.cpp:81 >> > #79621 0x00007f3592a43aa1 in start_thread () at /lib64/libpthread.so.0 >> > #79622 0x00007f3591da593d in clone () at /lib64/libc.so.6 >> > >> > On Thu, Mar 17, 2016 at 2:41 PM, Kate Stone <katherine_st...@apple.com> >> > wrote: >> > The cxa_demangle implementation definitely consumes stack aggressively, >> > especially when compiled -O0. I’d definitely recommend an 8MB+ stack for >> > any thread that may wind up demangling arbitrary C++ symbols. The new >> > “fast demangler” is much more conservative with stack space but doesn’t >> > yet support the full name mangling specification, so complex symbols often >> > rely on falling back to cxa_demangle. >> > >> > Kate Stone k8st...@apple.com >> > Xcode Low Level Tools >> > >> >> On Mar 17, 2016, at 2:19 PM, Greg Clayton via lldb-dev >> >> <lldb-dev@lists.llvm.org> wrote: >> >> >> >> Make stacks bigger when making threads on linux? >> >> >> >>> On Mar 17, 2016, at 1:39 PM, Jeffrey Tan via lldb-dev >> >>> <lldb-dev@lists.llvm.org> wrote: >> >>> >> >>> Seems like the crashes happens because of abi::__cxa_demangle() for >> >>> mangled symbol name " >> >>> _ZNSt9_Any_data9_M_accessIPPZN5folly6fibers12FiberManager16runInMainContextIZN8facebook8memcache15CacheClientImplINS6_17CControllerCommonINS1_7dynamicEEEE11multiOpSyncINS6_11McOperationILi11EEESt6vect". >> >>> >> >>> This is blocking us from releasing our C++ debugging support. Anyone >> >>> know of a quick workaround I can fix it locally? Thanks! >> >>> >> >>> On Thu, Mar 17, 2016 at 12:25 PM, via lldb-dev <lldb-dev@lists.llvm.org> >> >>> wrote: >> >>> Bug ID 26978 >> >>> Summary LLDB stack overflow while dealing with symbols for a process >> >>> on Linux >> >>> Product lldb >> >>> Version 3.8 >> >>> Hardware PC >> >>> OS Linux >> >>> Status NEW >> >>> Severity release blocker >> >>> Priority P >> >>> Component All Bugs >> >>> Assignee lldb-dev@lists.llvm.org >> >>> Reporter jeffrey.fu...@gmail.com >> >>> CC llvm-b...@lists.llvm.org >> >>> Classification Unclassified >> >>> >> >>> While using lldb to attach a process in our company on Linux, lldb >> >>> segment >> >>> fault with a huge stack(more than 30K stack frames). I assume it crashes >> >>> because of stack overflow. Let me know what additional information you >> >>> needed(I >> >>> have coredump): >> >>> >> >>> #0 0x00007f28ce530819 in d_print_comp (dpi=0x7f28c2728c00, options=17, >> >>> dc=0x7f28c2724b80) at cp-demangle.c:4286 >> >>> #1 0x00007f28ce5321e6 in d_print_comp (dpi=0x7f28c2728c00, options=17, >> >>> dc=0x7f28c2724bb0) at cp-demangle.c:4324 >> >>> #2 0x00007f28ce5321e6 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2724c10) at cp-demangle.c:4324 >> >>> #3 0x00007f28ce532010 in d_print_comp (dpi=0x7f28c2728c00, options=17, >> >>> dc=0x7f28c2724c70) at cp-demangle.c:4489 >> >>> #4 0x00007f28ce5319c0 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2724c88) at cp-demangle.c:4923 >> >>> #5 0x00007f28ce532056 in d_print_comp (dpi=0x7f28c2728c00, options=17, >> >>> dc=0x7f28c2724ca0) at cp-demangle.c:4493 >> >>> #6 0x00007f28ce5321e6 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2724cd0) at cp-demangle.c:4324 >> >>> #7 0x00007f28ce532010 in d_print_comp (dpi=0x7f28c2728c00, options=17, >> >>> dc=0x7f28c2725030) at cp-demangle.c:4489 >> >>> #8 0x00007f28ce535353 in d_print_mod (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, mod=<optimized out>) at cp-demangle.c:5539 >> >>> #9 0x00007f28ce535dbe in d_print_mod_list (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, mods=mods@entry=0x7f28c1f2ba30, >> >>> suffix=suffix@entry=0) at cp-demangle.c:5468 >> >>> #10 0x00007f28ce5366a1 in d_print_function_type >> >>> (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, mods=0x7f28c1f2ba30, dc=0x7f28c2725138) at >> >>> cp-demangle.c:5609 >> >>> #11 0x00007f28ce53110c in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2725138) at cp-demangle.c:4808 >> >>> #12 0x00007f28ce530a01 in d_print_comp (dpi=0x7f28c2728c00, options=17, >> >>> dc=0x7f28c2725150) at cp-demangle.c:4434 >> >>> #13 0x00007f28ce5321e6 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c27251b0) at cp-demangle.c:4324 >> >>> #14 0x00007f28ce5336b3 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2725108) at cp-demangle.c:4529 >> >>> #15 0x00007f28ce534448 in d_print_comp (dpi=0x7f28c2728c00, >> >>> options=<optimized >> >>> out>, dc=0x7f28c2725270) at cp-demangle.c:4793 >> >>> #16 0x00007f28ce5319c0 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2725288) at cp-demangle.c:4923 >> >>> #17 0x00007f28ce532056 in d_print_comp (dpi=0x7f28c2728c00, options=17, >> >>> dc=0x7f28c27252a0) at cp-demangle.c:4493 >> >>> #18 0x00007f28ce5321e6 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c27252d0) at cp-demangle.c:4324 >> >>> #19 0x00007f28ce534448 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2725318) at cp-demangle.c:4793 >> >>> #20 0x00007f28ce530a01 in d_print_comp (dpi=0x7f28c2728c00, options=17, >> >>> dc=0x7f28c2725330) at cp-demangle.c:4434 >> >>> #21 0x00007f28ce5321e6 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2725390) at cp-demangle.c:4324 >> >>> #22 0x00007f28ce53123b in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c27253a8) at cp-demangle.c:4742 >> >>> #23 0x00007f28ce53123b in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c27253c0) at cp-demangle.c:4742 >> >>> #24 0x00007f28ce5336b3 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2725108) at cp-demangle.c:4529 >> >>> #25 0x00007f28ce53123b in d_print_comp (dpi=0x7f28c2728c00, options=17, >> >>> dc=0x7f28c27252e8) at cp-demangle.c:4742 >> >>> #26 0x00007f28ce5319c0 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2725300) at cp-demangle.c:4923 >> >>> #27 0x00007f28ce5366e1 in d_print_function_type >> >>> (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, mods=0x7f28c1f2cc70, dc=0x7f28c2725318) at >> >>> cp-demangle.c:5617 >> >>> #28 0x00007f28ce53110c in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2725318) at cp-demangle.c:4808 >> >>> #29 0x00007f28ce530a01 in d_print_comp (dpi=0x7f28c2728c00, options=17, >> >>> dc=0x7f28c2725330) at cp-demangle.c:4434 >> >>> .... >> >>> >> >>> #31767 0x00007f28ce5336b3 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2725108) at cp-demangle.c:4529 >> >>> #31768 0x00007f28ce53123b in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2725408) at cp-demangle.c:4742 >> >>> #31769 0x00007f28ce534448 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=0x7f28c2725450) at cp-demangle.c:4793 >> >>> #31770 0x00007f28ce530a01 in d_print_comp (dpi=dpi@entry=0x7f28c2728c00, >> >>> options=options@entry=17, dc=dc@entry=0x7f28c2725468) at >> >>> cp-demangle.c:4434 >> >>> #31771 0x00007f28ce536f53 in d_demangle_callback (options=17, >> >>> opaque=0x7f28c2723cc0, callback=0x7f28ce52c820 >> >>> <d_growable_string_callback_adapter>, dc=0x7f28c2725468) at >> >>> cp-demangle.c:4063 >> >>> #31772 0x00007f28ce536f53 in d_demangle_callback (mangled=<optimized >> >>> out>, >> >>> mangled@entry=0x0, callback=callback@entry=0x7f28ce52c820 >> >>> <d_growable_string_callback_adapter>, opaque=opaque@entry=0x7f28c2728db0, >> >>> options=17) at cp-demangle.c:5865 >> >>> #31773 0x00007f28ce53709f in __cxa_demangle (options=17, palc=<synthetic >> >>> pointer>, mangled=0x0) at cp-demangle.c:5886 >> >>> >> >>> #31774 0x00007f28ce53709f in __cxa_demangle >> >>> (mangled_name=mangled_name@entry=0x7f28ace3d460 >> >>> "_ZNSt9_Any_data9_M_accessIPPZN5folly6fibers12FiberManager16runInMainContextIZN8facebook8memcache15CacheClientImplINS6_17CControllerCommonINS1_7dynamicEEEE11multiOpSyncINS6_11McOperationILi11EEESt6vect"..., >> >>> output_buffer=output_buffer@entry=0x0, length=length@entry=0x0, >> >>> status=status@entry=0x0) at cp-demangle.c:5950 >> >>> #31775 0x00007f28d015dc57 in >> >>> lldb_private::Mangled::GetDemangledName(lldb::LanguageType) const >> >>> (this=this@entry=0x7f28c0d48310, >> >>> language=language@entry=lldb::eLanguageTypeC_plus_plus) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Core/Mangled.cpp:316 >> >>> >> >>> #31776 0x00007f28d025bdca in lldb_private::Symtab::InitNameIndexes() >> >>> (this=0x7f28ac1a8ff0) at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Symbol/Symtab.cpp:334 >> >>> #31777 0x00007f28d025d0b8 in >> >>> lldb_private::Symtab::FindAllSymbolsWithNameAndType(lldb_private::ConstString >> >>> const&, lldb::SymbolType, std::vector<unsigned int, >> >>> std::allocator<unsigned >> >>> int> >&) (this=this@entry=0x7f28ac1a8ff0, name=..., >> >>> symbol_type=symbol_type@entry=lldb::eSymbolTypeAny, symbol_indexes=...) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Symbol/Symtab.cpp:819 >> >>> >> >>> #31778 0x00007f28d0160ec2 in >> >>> lldb_private::Module::FindSymbolsWithNameAndType(lldb_private::ConstString >> >>> const&, lldb::SymbolType, lldb_private::SymbolContextList&) >> >>> (this=0x7f28ac0605a0, name=..., >> >>> symbol_type=symbol_type@entry=lldb::eSymbolTypeAny, sc_list=...) at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Core/Module.cpp:1432 >> >>> #31779 0x00007f28d016781d in >> >>> lldb_private::ModuleList::FindSymbolsWithNameAndType(lldb_private::ConstString >> >>> const&, lldb::SymbolType, lldb_private::SymbolContextList&, bool) const >> >>> (this=this@entry=0x7f28c27294b0, name=..., >> >>> symbol_type=symbol_type@entry=lldb::eSymbolTypeAny, sc_list=..., >> >>> append=append@entry=false) at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Core/ModuleList.cpp:573 >> >>> #31780 0x00007f28d0514626 in >> >>> JITLoaderGDB::GetSymbolAddress(lldb_private::ModuleList&, >> >>> lldb_private::ConstString const&, lldb::SymbolType) const >> >>> (this=this@entry=0x7f28ac042990, module_list=..., name=..., >> >>> symbol_type=symbol_type@entry=lldb::eSymbolTypeAny) at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Plugins/JITLoader/GDB/JITLoaderGDB.cpp:500 >> >>> >> >>> #31781 0x00007f28d05164cb in >> >>> JITLoaderGDB::SetJITBreakpoint(lldb_private::ModuleList&) >> >>> (this=0x7f28ac042990, >> >>> module_list=...) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Plugins/JITLoader/GDB/JITLoaderGDB.cpp:177 >> >>> >> >>> #31782 0x00007f28d030c910 in >> >>> lldb_private::JITLoaderList::ModulesDidLoad(lldb_private::ModuleList&) >> >>> (this=<optimized out>, module_list=...) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/JITLoaderList.cpp:76 >> >>> #31783 0x00007f28d02a90f8 in >> >>> lldb_private::Process::ModulesDidLoad(lldb_private::ModuleList&) >> >>> (this=this@entry=0x894160, module_list=...) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Process.cpp:6370 >> >>> ---Type <return> to continue, or q <return> to quit--- >> >>> #31784 0x00007f28d03f3091 in >> >>> lldb_private::process_gdb_remote::ProcessGDBRemote::ModulesDidLoad(lldb_private::ModuleList&) >> >>> (this=0x894160, module_list=...) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp:4927 >> >>> #31785 0x00007f28d02d3131 in >> >>> lldb_private::Target::ModulesDidLoad(lldb_private::ModuleList&) >> >>> (this=0x88f8b0, >> >>> module_list=...) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Target.cpp:1400 >> >>> #31786 0x00007f28d02dcb58 in >> >>> lldb_private::Target::ModuleAdded(lldb_private::ModuleList const&, >> >>> std::shared_ptr<lldb_private::Module> const&) (this=0x88f8b0, >> >>> module_list=..., >> >>> module_sp=...) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Target.cpp:1364 >> >>> #31787 0x00007f28d0168f28 in >> >>> lldb_private::ModuleList::AppendImpl(std::shared_ptr<lldb_private::Module> >> >>> const&, bool) (this=0x88fbb0, module_sp=..., >> >>> use_notifier=use_notifier@entry=true) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Core/ModuleList.cpp:110 >> >>> #31788 0x00007f28d0168f6a in >> >>> lldb_private::ModuleList::Append(std::shared_ptr<lldb_private::Module> >> >>> const&) >> >>> (this=<optimized out>, module_sp=...) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Core/ModuleList.cpp:117 >> >>> #31789 0x00007f28d02d1def in >> >>> lldb_private::Target::GetSharedModule(lldb_private::ModuleSpec const&, >> >>> lldb_private::Error*) (this=this@entry=0x88f8b0, module_spec=..., >> >>> error_ptr=error_ptr@entry=0x0) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Target.cpp:1924 >> >>> #31790 0x00007f28d0620b48 in >> >>> lldb_private::DynamicLoader::LoadModuleAtAddress(lldb_private::FileSpec >> >>> const&, >> >>> unsigned long, unsigned long, bool) (this=<optimized out>, file=..., >> >>> link_map_addr=139710961516544, base_addr=139710941827072, >> >>> base_addr_is_offset=<optimized out>) at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Core/DynamicLoader.cpp:192 >> >>> #31791 0x00007f28d038764a in >> >>> DynamicLoaderPOSIXDYLD::LoadAllCurrentModules() >> >>> (this=0x7f28ac038570) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp:521 >> >>> #31792 0x00007f28d03898f0 in DynamicLoaderPOSIXDYLD::DidAttach() >> >>> (this=0x7f28ac038570) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp:181 >> >>> #31793 0x00007f28d02a646c in lldb_private::Process::CompleteAttach() >> >>> (this=0x894160) at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Process.cpp:3443 >> >>> #31794 0x00007f28d02a7236 in >> >>> lldb_private::Process::AttachCompletionHandler::PerformAction(std::shared_ptr<lldb_private::Event>&) >> >>> (this=0x8b8920, event_sp=...) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Process.cpp:3194 >> >>> #31795 0x00007f28d02af98c in >> >>> lldb_private::Process::HandlePrivateEvent(std::shared_ptr<lldb_private::Event>&) >> >>> (this=this@entry=0x894160, event_sp=...) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Process.cpp:4184 >> >>> #31796 0x00007f28d02b09bd in >> >>> lldb_private::Process::RunPrivateStateThread(bool) >> >>> (this=0x894160, is_secondary_thread=<optimized out>) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Target/Process.cpp:4429 >> >>> #31797 0x00007f28d0108421 in >> >>> lldb_private::HostNativeThreadBase::ThreadCreateTrampoline(void*) >> >>> (arg=0x8b8900) >> >>> at >> >>> /home/engshare/third-party2/lldb/3.8.0.rc3/src/llvm/tools/lldb/source/Host/common/HostNativeThreadBase.cpp:81 >> >>> #31798 0x00007f28cea24aa1 in start_thread () at /lib64/libpthread.so.0 >> >>> #31799 0x00007f28cdd8693d in clone () at /lib64/libc.so.6 >> >>> >> >>> >> >>> You are receiving this mail because: >> >>> • You are the assignee for the bug. >> >>> >> >>> _______________________________________________ >> >>> lldb-dev mailing list >> >>> lldb-dev@lists.llvm.org >> >>> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev >> >>> >> >>> >> >>> _______________________________________________ >> >>> lldb-dev mailing list >> >>> lldb-dev@lists.llvm.org >> >>> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev >> >> >> >> _______________________________________________ >> >> lldb-dev mailing list >> >> lldb-dev@lists.llvm.org >> >> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev >> > >> > >> > _______________________________________________ >> > lldb-dev mailing list >> > lldb-dev@lists.llvm.org >> > http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev > > _______________________________________________ > lldb-dev mailing list > lldb-dev@lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev
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