r260760 - [libclang] Separate the underlying indexing functionality of libclang and introduce it into the clangIndex library.
Argyrios Kyrtzidis via cfe-commits
cfe-commits at lists.llvm.org
Mon Feb 29 17:38:48 PST 2016
I don’t quite understand how it gets that stack trace, dataTraverseNode() was introduced to avoid exactly this.
How are you configuring and what compiler and version are you using ?
> On Feb 29, 2016, at 3:14 PM, Justin Lebar <jlebar at google.com> wrote:
>
>> Is this still an issue after r260785 ?
>
> I just sync'ed to r262268 and was able to reproduce the segfault.
>
>> Could you provide a stack trace ?
>
> $ gdb --args release/bin/c-index-test -index-file
> /usr/local/google/home/jlebar/code/llvm/src/tools/clang/test/Index/index-many-call-ops.cpp
> (gdb) run
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7ffff2ca2700 (LWP 3936)]
> 0x00007ffff4f264be in
> clang::DeclarationName::print(llvm::raw_ostream&,
> clang::PrintingPolicy const&) ()
> from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> (gdb) bt
> #0 0x00007ffff4f264be in
> clang::DeclarationName::print(llvm::raw_ostream&,
> clang::PrintingPolicy const&) ()
> from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #1 0x00007ffff4f26c9e in clang::operator<<(llvm::raw_ostream&,
> clang::DeclarationName) ()
> from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #2 0x00007ffff4ebcb91 in
> clang::cxindex::CXIndexDataConsumer::getEntityInfo(clang::NamedDecl
> const*, clang::cxindex::EntityInfo&, clang::cxindex::ScratchAlloc&) ()
> from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #3 0x00007ffff4ebc206 in
> clang::cxindex::CXIndexDataConsumer::handleReference(clang::NamedDecl
> const*, clang::SourceLocation, CXCursor, clang::NamedDecl const*,
> clang::DeclContext const*, clang::Expr const*, CXIdxEntityRefKind) ()
> from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #4 0x00007ffff4ebbae2 in
> clang::cxindex::CXIndexDataConsumer::handleDeclOccurence(clang::Decl
> const*, unsigned int, llvm::ArrayRef<clang::index::SymbolRelation>,
> clang::FileID, unsigned int,
> clang::index::IndexDataConsumer::ASTNodeInfo) ()
> from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #5 0x00007ffff51a05c5 in
> clang::index::IndexingContext::handleDeclOccurrence(clang::Decl
> const*, clang::SourceLocation, bool, clang::Decl const*, unsigned int,
> llvm::ArrayRef<clang::index::SymbolRelation>, clang::Expr const*,
> clang::Decl const*, clang::DeclContext const*) ()
> from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #6 0x00007ffff51a092a in
> clang::index::IndexingContext::handleReference(clang::NamedDecl
> const*, clang::SourceLocation, clang::NamedDecl const*,
> clang::DeclContext const*, unsigned int,
> llvm::ArrayRef<clang::index::SymbolRelation>, clang::Expr const*,
> clang::Decl const*) ()
> from /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #7 0x00007ffff51a9256 in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #8 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #9 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #10 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #11 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #12 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #13 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #14 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #15 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #16 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #17 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #18 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #19 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #20 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #21 0x00007ffff51a880e in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::dataTraverseNode(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> #22 0x00007ffff51a60dd in clang::RecursiveASTVisitor<(anonymous
> namespace)::BodyIndexer>::TraverseStmt(clang::Stmt*,
> llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool,
> llvm::PointerLikeTypeTraits<clang::Stmt*>,
> llvm::PointerIntPairInfo<clang::Stmt*, 1u,
> llvm::PointerLikeTypeTraits<clang::Stmt*> > > >*) () from
> /usr/local/google/home/jlebar/code/llvm-complete/release/bin/../lib/libclang.so.3.9
> ---Type <return> to continue, or q <return> to quit---
>
> On Mon, Feb 29, 2016 at 3:03 PM, Argyrios Kyrtzidis <akyrtzi at gmail.com> wrote:
>> Is this still an issue after r260785 ?
>> Could you provide a stack trace ?
>>
>>> On Feb 29, 2016, at 2:27 PM, Justin Lebar <jlebar at google.com> wrote:
>>>
>>> Hi, I think this broke clang/test/Index/index-many-call-ops.cpp. I
>>> get a segfault due to recursive stack overflow in release builds on my
>>> linux x86-64 box when running that test -- it seems the purpose of
>>> that test is to check that we *don't* segfault.
>>>
>>> This has been broken for a while, and people don't seem to be
>>> complaining -- I'm not sure if there's something specific about my
>>> config or if I'm just the first person to bother bisecting this...
>>> Maybe the test just needs to be pared down some?
>>>
>>> Please advise.
>>>
>>> Regards,
>>> -Justin
>>>
>>> On Sat, Feb 13, 2016 at 12:47 PM, Argyrios Kyrtzidis via cfe-commits
>>> <cfe-commits at lists.llvm.org> wrote:
>>>> I guess refreshing the build directory fixed the bots now.
>>>> You may want to look into ccache as possibly the issue here.
>>>>
>>>>> On Feb 13, 2016, at 12:08 PM, Argyrios Kyrtzidis <akyrtzi at gmail.com> wrote:
>>>>>
>>>>> clangIndex library is not part of that command so I don’t understand how my changes affect linking the clang binary, clangIndex is only used for libclang.
>>>>>
>>>>>> On Feb 13, 2016, at 11:55 AM, Argyrios Kyrtzidis <akyrtzi at gmail.com> wrote:
>>>>>>
>>>>>> Sorry, I looked at it but it wasn’t clear to me what the problem is:
>>>>>>
>>>>>> FAILED: : <lond command>
>>>>>> /home/linaro/buildbot/clang-cmake-armv7-a15/stage1/tools/clang/clang.order: file not recognized: File truncated
>>>>>>
>>>>>> I thought it was some build SNAFU, do you have some hint on what I need to do to fix this ?
>>>>>>
>>>>>>> On Feb 13, 2016, at 7:48 AM, Renato Golin <renato.golin at linaro.org> wrote:
>>>>>>>
>>>>>>> On 12 February 2016 at 23:11, Argyrios Kyrtzidis via cfe-commits
>>>>>>> <cfe-commits at lists.llvm.org> wrote:
>>>>>>>> Author: akirtzidis
>>>>>>>> Date: Fri Feb 12 17:10:59 2016
>>>>>>>> New Revision: 260760
>>>>>>>>
>>>>>>>> URL: http://llvm.org/viewvc/llvm-project?rev=260760&view=rev
>>>>>>>> Log:
>>>>>>>> [libclang] Separate the underlying indexing functionality of libclang and introduce it into the clangIndex library.
>>>>>>>>
>>>>>>>> It is a general goodness for libclang itself to mostly be a wrapper of functionality provided by the libraries.
>>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> This broke both ARM builds:
>>>>>>>
>>>>>>> http://lab.llvm.org:8011/builders/clang-cmake-armv7-a15/builds/9853
>>>>>>>
>>>>>>> http://lab.llvm.org:8011/builders/clang-cmake-thumbv7-a15/builds/9806
>>>>>>>
>>>>>>> And it's still broken. I'm going to refresh the build directory, but
>>>>>>> please keep an eye or revert if that doesn't work.
>>>>>>>
>>>>>>> cheers,
>>>>>>> --renato
>>>>>>
>>>>>
>>>>
>>>> _______________________________________________
>>>> cfe-commits mailing list
>>>> cfe-commits at lists.llvm.org
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>>
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