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llvm-project/lld/test/ELF/warn-unresolved-symbols-hid...

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Fix and simplify the reporting of undefined symbols. Now reportUndefined only has to look at Config->UnresolvedSymbols and the symbol. getUnresolvedSymbolOption does all the hard work of mapping options like -shared and -z defs to one of the UnresolvedPolicy enum entries. The critical fix is that now "-z defs --warn-unresolved-symbols" only warns. llvm-svn: 293290
2017-01-27 23:52:08 +08:00
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
# RUN: not ld.lld -shared %t.o -o %t.so -z defs --warn-unresolved-symbols 2>&1| FileCheck %s
Change the error message format for undefined symbols. Previously, undefined symbol errors are one line like this and wasn't easy to read. /ssd/clang/bin/ld.lld: error: /ssd/llvm-project/lld/ELF/Writer.cpp:207: undefined symbol 'lld::elf::EhFrameSection<llvm::object::ELFType<(llvm::support::endianness)0, true> >::addSection(lld::elf::InputSectionBase*)' This patch make it more structured like this. 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 Discussion thread: http://lists.llvm.org/pipermail/llvm-dev/2017-March/111459.html Differential Revision: https://reviews.llvm.org/D31481 llvm-svn: 299097
2017-03-31 03:13:47 +08:00
# CHECK: warning: undefined symbol: foo
# CHECK: error: undefined symbol: bar
# CHECK: error: undefined symbol: zed
Fix and simplify the reporting of undefined symbols. Now reportUndefined only has to look at Config->UnresolvedSymbols and the symbol. getUnresolvedSymbolOption does all the hard work of mapping options like -shared and -z defs to one of the UnresolvedPolicy enum entries. The critical fix is that now "-z defs --warn-unresolved-symbols" only warns. llvm-svn: 293290
2017-01-27 23:52:08 +08:00
Change the error message format for undefined symbols. Previously, undefined symbol errors are one line like this and wasn't easy to read. /ssd/clang/bin/ld.lld: error: /ssd/llvm-project/lld/ELF/Writer.cpp:207: undefined symbol 'lld::elf::EhFrameSection<llvm::object::ELFType<(llvm::support::endianness)0, true> >::addSection(lld::elf::InputSectionBase*)' This patch make it more structured like this. 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 Discussion thread: http://lists.llvm.org/pipermail/llvm-dev/2017-March/111459.html Differential Revision: https://reviews.llvm.org/D31481 llvm-svn: 299097
2017-03-31 03:13:47 +08:00
.data
.quad foo
.hidden bar
.quad bar
.protected zed
.quad zed