diff options
| author | George Rimar <grimar@accesssoftek.com> | 2016-10-04 08:49:52 +0000 |
|---|---|---|
| committer | George Rimar <grimar@accesssoftek.com> | 2016-10-04 08:49:52 +0000 |
| commit | 0c82561c4c5aced6caaf3a1d56d7704d95e3eae8 (patch) | |
| tree | 396e0e242fb58fb014be7292862160a6c360ea54 /lld/ELF/InputFiles.cpp | |
| parent | 5cbf23664d7ad269b4c824ae3e86d6e9d1ec3c0a (diff) | |
| download | bcm5719-llvm-0c82561c4c5aced6caaf3a1d56d7704d95e3eae8.tar.gz bcm5719-llvm-0c82561c4c5aced6caaf3a1d56d7704d95e3eae8.zip | |
[ELF] - Do not crash if common symbol has alignment 0.
Testcase contains a common symbol with zero alignment,
previously lld would crash, patch fixes that.
Differential revision: https://reviews.llvm.org/D25085
llvm-svn: 283197
Diffstat (limited to 'lld/ELF/InputFiles.cpp')
| -rw-r--r-- | lld/ELF/InputFiles.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lld/ELF/InputFiles.cpp b/lld/ELF/InputFiles.cpp index 9d229564ade..0981e2cd48f 100644 --- a/lld/ELF/InputFiles.cpp +++ b/lld/ELF/InputFiles.cpp @@ -400,6 +400,9 @@ SymbolBody *elf::ObjectFile<ELFT>::createSymbolBody(const Elf_Sym *Sym) { /*CanOmitFromDynSym*/ false, this) ->body(); case SHN_COMMON: + if (Sym->st_value == 0) + fatal(getFilename(this) + ": common symbol '" + Name + + "' alignment is 0"); return elf::Symtab<ELFT>::X->addCommon(Name, Sym->st_size, Sym->st_value, Binding, Sym->st_other, Sym->getType(), this) |
