Thanks, I know that dwarf works with lldb on Windows, but I was specifically trying to debug a program compiled with pdb debug info. (Why not a native Windows debugger? Because I have existing code that uses lldb api.)
On Fri, Jul 28, 2017 at 4:10 AM, Zachary Turner <ztur...@google.com> wrote: > It can handle linking dwarf debug info. Also I misspoke, you can't get > dwarf debug info with clang-cl, but you can with clang++ on windows. Look > at how the test suite on windows compiles the inferiors. That's currently > the best debugging experience of Windows programs. > > Unfortunately i was never able to get the rest of windows support > implemented as i got pulled off to add support for writing codeview/pdb to > clang-cl > On Wed, Jul 26, 2017 at 5:38 PM Vadim Chugunov <vadi...@gmail.com> wrote: > >> Why -fuse-ld=lld? What does lld do differently than MS linker? >> >> >> On Wed, Jul 26, 2017 at 1:10 PM, Zachary Turner <ztur...@google.com> >> wrote: >> >>> For clang-cl you need to use -fuse-ld=lld. For msvc only a small amount >>> of pdb support was added to lldb, namely the ability to resolve file and >>> line info. >>> On Wed, Jul 26, 2017 at 12:46 PM Vadim Chugunov <vadi...@gmail.com> >>> wrote: >>> >>>> I'm trying to use LLDB built from svn trunk: for MSVC emitted binaries >>>> it cannot set any breakpoints, and for clang-cl outputs it crashes when >>>> setting a breakpoiint by file/line. Are these scenarios supposed to work? >>>> WinDbg works fine in both cases, so the debug info is probably ok. >>>> >>>> (I'm using VS 2017 Build Tools, if that matters). >>>> >>>> On Wed, Jul 26, 2017 at 11:54 AM, Adrian McCarthy <amcca...@google.com> >>>> wrote: >>>> >>>>> Basic PDB support is in LLDB if you're running on Windows. LLDB has a >>>>> SymbolFilePDB plugin that relies on a PDB abstraction in LLVM. There is >>>>> currently just one implementation of that abstraction, and it relies on >>>>> DIA, which is a Microsoft-provided DLL on Windows for looking up >>>>> information in a PDB. >>>>> >>>>> I'm currently working on a native PDB reader that implements the same >>>>> interface without reliance on DIA, so that should eventually provide the >>>>> same functionality even if you're not running on Windows. >>>>> >>>>> Browsing through the PDB plugin in LLDB, I see a lot of "//TODO: >>>>> Implement this" methods, so you won't (yet) have rich type information. >>>>> But you can set breakpoints by name, get a stack backtrace, print variable >>>>> values, etc. >>>>> >>>>> >>>>> On Wed, Jul 26, 2017 at 11:19 AM, Vadim Chugunov via lldb-dev < >>>>> lldb-dev@lists.llvm.org> wrote: >>>>> >>>>>> Hi, >>>>>> What is the current status of LLDB's PDB file parser on Windows? It >>>>>> was announced back in 2015 that PDB support is coming soon, so I was >>>>>> wondering where it's at currently. >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> lldb-dev mailing list >>>>>> lldb-dev@lists.llvm.org >>>>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev >>>>>> >>>>>> >>>>> >>>> >>
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