Jonathan Roelofs via llvm-dev
2017-Mar-29 19:12 UTC
[llvm-dev] [RFC] better link error messages
On 3/29/17 12:53 PM, Rui Ueyama via llvm-dev wrote:> Put it all together, the following error messages should work for > everybody. I'll create a patch to make this change and send it for > review. Thank you guys for the inputs! > > > Undefined symbol error: > > bin/ld.lld: error: undefined symbol: > lld::elf::EhFrameSection<llvm::object::ELFType<(llvm::support::endianness)0, > true> > *>>> defined at* Writer.cpp:207 (/ssd/llvm-project/lld/ELF/Writer.cpp:207) > *>>>* Writer.cpp.o in archive lib/liblldELF.aThe wording of this one is mildly self contradictory. Undefined symbols aren't defined, they're... used? referenced? Jon> > > Duplicate symbol error: > > bin/ld.lld: error: duplicate symbol: > lld::elf::MipsGotSection::addEntry(lld::elf::SymbolBody&, long, > lld::elf::RelExpr) > *>>> defined at* Writer.cpp:38 > (/home/buildslave/buildslave/clang-cmake-aarch64-39vma/llvm/tools/lld/ELF/Writer.cpp:38) > *>>>* Writer.cpp.o in archive lib/liblldELF.a > *>>> defined at* SyntheticSections.cpp:673 > (/home/buildslave/buildslave/clang-cmake-aarch64-39vma/llvm/tools/lld/ELF/SyntheticSections.cpp:673) > *>>>* SyntheticSections.cpp.o in archive lib/liblldELF.a > >-- Jon Roelofs jonathan at codesourcery.com CodeSourcery / Mentor Embedded
My bad. I intended this. Undefined symbol error: bin/ld.lld: error: undefined symbol: lld::elf::EhFrameSection<llvm::object::ELFType<(llvm::support::endianness)0, true> *>>> Referenced by* Writer.cpp:207 (/ssd/llvm-project/lld/ELF/Writer.cpp:207) *>>>* Writer.cpp.o in archive lib/liblldELF.a Duplicate symbol error: bin/ld.lld: error: duplicate symbol: lld::elf::MipsGotSection::addEntry(lld::elf::SymbolBody&, long, lld::elf::RelExpr) *>>> defined at* Writer.cpp:38 (/home/buildslave/buildslave/clang-cmake-aarch64-39vma/llvm/tools/lld/ELF/Writer.cpp:38) *>>>* Writer.cpp.o in archive lib/liblldELF.a *>>> defined at* SyntheticSections.cpp:673 (/home/buildslave/buildslave/clang-cmake-aarch64-39vma/llvm/tools/lld/ELF/SyntheticSections.cpp:673) *>>> * SyntheticSections.cpp.o in archive lib/liblldELF.a On Wed, Mar 29, 2017 at 12:12 PM, Jonathan Roelofs < jonathan at codesourcery.com> wrote:> > > On 3/29/17 12:53 PM, Rui Ueyama via llvm-dev wrote: > >> Put it all together, the following error messages should work for >> everybody. I'll create a patch to make this change and send it for >> review. Thank you guys for the inputs! >> >> >> Undefined symbol error: >> >> bin/ld.lld: error: undefined symbol: >> lld::elf::EhFrameSection<llvm::object::ELFType<(llvm::suppor >> t::endianness)0, >> true> >> *>>> defined at* Writer.cpp:207 (/ssd/llvm-project/lld/ELF/Wri >> ter.cpp:207) >> *>>>* Writer.cpp.o in archive lib/liblldELF.a >> > > The wording of this one is mildly self contradictory. Undefined symbols > aren't defined, they're... used? referenced? > > > Jon > > >> >> Duplicate symbol error: >> >> bin/ld.lld: error: duplicate symbol: >> lld::elf::MipsGotSection::addEntry(lld::elf::SymbolBody&, long, >> lld::elf::RelExpr) >> *>>> defined at* Writer.cpp:38 >> (/home/buildslave/buildslave/clang-cmake-aarch64-39vma/llvm/ >> tools/lld/ELF/Writer.cpp:38) >> *>>>* Writer.cpp.o in archive lib/liblldELF.a >> *>>> defined at* SyntheticSections.cpp:673 >> (/home/buildslave/buildslave/clang-cmake-aarch64-39vma/llvm/ >> tools/lld/ELF/SyntheticSections.cpp:673) >> *>>>* SyntheticSections.cpp.o in archive lib/liblldELF.a >> >> >> > > -- > Jon Roelofs > jonathan at codesourcery.com > CodeSourcery / Mentor Embedded >-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20170329/8b4d5e6c/attachment.html>
Rafael Espíndola via llvm-dev
2017-Mar-29 20:47 UTC
[llvm-dev] [RFC] better link error messages
I am late on the thread, but I just want to say that the new format looks awesome! Thanks, Rafael On 29 March 2017 at 15:18, Rui Ueyama via llvm-dev <llvm-dev at lists.llvm.org> wrote:> My bad. I intended this. > > Undefined symbol error: > > bin/ld.lld: error: undefined symbol: > lld::elf::EhFrameSection<llvm::object::ELFType<(llvm::support::endianness)0, > true> >>>> Referenced by Writer.cpp:207 (/ssd/llvm-project/lld/ELF/Writer.cpp:207) >>>> Writer.cpp.o in archive lib/liblldELF.a > > > Duplicate symbol error: > > bin/ld.lld: error: duplicate symbol: > lld::elf::MipsGotSection::addEntry(lld::elf::SymbolBody&, long, > lld::elf::RelExpr) >>>> defined at Writer.cpp:38 >>>> (/home/buildslave/buildslave/clang-cmake-aarch64-39vma/llvm/tools/lld/ELF/Writer.cpp:38) >>>> Writer.cpp.o in archive lib/liblldELF.a >>>> defined at SyntheticSections.cpp:673 >>>> (/home/buildslave/buildslave/clang-cmake-aarch64-39vma/llvm/tools/lld/ELF/SyntheticSections.cpp:673) >>>> SyntheticSections.cpp.o in archive lib/liblldELF.a > > > On Wed, Mar 29, 2017 at 12:12 PM, Jonathan Roelofs > <jonathan at codesourcery.com> wrote: >> >> >> >> On 3/29/17 12:53 PM, Rui Ueyama via llvm-dev wrote: >>> >>> Put it all together, the following error messages should work for >>> everybody. I'll create a patch to make this change and send it for >>> review. Thank you guys for the inputs! >>> >>> >>> Undefined symbol error: >>> >>> bin/ld.lld: error: undefined symbol: >>> >>> lld::elf::EhFrameSection<llvm::object::ELFType<(llvm::support::endianness)0, >>> true> >>> *>>> defined at* Writer.cpp:207 >>> (/ssd/llvm-project/lld/ELF/Writer.cpp:207) >>> *>>>* Writer.cpp.o in archive lib/liblldELF.a >> >> >> The wording of this one is mildly self contradictory. Undefined symbols >> aren't defined, they're... used? referenced? >> >> >> Jon >> >>> >>> >>> Duplicate symbol error: >>> >>> bin/ld.lld: error: duplicate symbol: >>> lld::elf::MipsGotSection::addEntry(lld::elf::SymbolBody&, long, >>> lld::elf::RelExpr) >>> *>>> defined at* Writer.cpp:38 >>> >>> (/home/buildslave/buildslave/clang-cmake-aarch64-39vma/llvm/tools/lld/ELF/Writer.cpp:38) >>> *>>>* Writer.cpp.o in archive lib/liblldELF.a >>> *>>> defined at* SyntheticSections.cpp:673 >>> >>> (/home/buildslave/buildslave/clang-cmake-aarch64-39vma/llvm/tools/lld/ELF/SyntheticSections.cpp:673) >>> *>>>* SyntheticSections.cpp.o in archive lib/liblldELF.a >>> >>> >> >> >> -- >> Jon Roelofs >> jonathan at codesourcery.com >> CodeSourcery / Mentor Embedded > > > > _______________________________________________ > LLVM Developers mailing list > llvm-dev at lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev >