diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2024-07-27 23:34:35 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2024-10-23 18:26:01 +0000 |
| commit | 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583 (patch) | |
| tree | 6cf5ab1f05330c6773b1f3f64799d56a9c7a1faa /contrib/llvm-project/llvm/lib/Object/ModuleSymbolTable.cpp | |
| parent | 6b9f7133aba44189d9625c352bc2c2a59baf18ef (diff) | |
| parent | ac9a064cb179f3425b310fa2847f8764ac970a4d (diff) | |
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Object/ModuleSymbolTable.cpp')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Object/ModuleSymbolTable.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Object/ModuleSymbolTable.cpp b/contrib/llvm-project/llvm/lib/Object/ModuleSymbolTable.cpp index 07f76688fa43..d8f520ad02c2 100644 --- a/contrib/llvm-project/llvm/lib/Object/ModuleSymbolTable.cpp +++ b/contrib/llvm-project/llvm/lib/Object/ModuleSymbolTable.cpp @@ -175,6 +175,20 @@ void ModuleSymbolTable::CollectAsmSymbols( AsmSymbol(Key, BasicSymbolRef::Flags(Res)); } }); + + // In ELF, object code generated for x86-32 and some code models of x86-64 may + // reference the special symbol _GLOBAL_OFFSET_TABLE_ that is not used in the + // IR. Record it like inline asm symbols. + Triple TT(M.getTargetTriple()); + if (!TT.isOSBinFormatELF() || !TT.isX86()) + return; + auto CM = M.getCodeModel(); + if (TT.getArch() == Triple::x86 || CM == CodeModel::Medium || + CM == CodeModel::Large) { + AsmSymbol("_GLOBAL_OFFSET_TABLE_", + BasicSymbolRef::Flags(BasicSymbolRef::SF_Undefined | + BasicSymbolRef::SF_Global)); + } } void ModuleSymbolTable::CollectAsmSymvers( |