[lldb-dev] PDB symbol reader status?
Zachary Turner via lldb-dev
lldb-dev at lists.llvm.org
Wed Jul 26 13:10:04 PDT 2017
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
On Wed, Jul 26, 2017 at 12:46 PM Vadim Chugunov <vadimcn at 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 <amccarth at google.com>
>> 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 at lists.llvm.org> wrote:
>>> 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 at lists.llvm.org
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