Make use of common-symbol alignment info in ELF loader.
Patch by Amara Emerson.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166919 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
index 1073c6f..b9c5f8b 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
@@ -796,6 +796,13 @@
}
}
+unsigned RuntimeDyldELF::getCommonSymbolAlignment(const SymbolRef &Sym) {
+ // In ELF, the value of an SHN_COMMON symbol is its alignment requirement.
+ uint64_t Align;
+ Check(Sym.getValue(Align));
+ return Align;
+}
+
bool RuntimeDyldELF::isCompatibleFormat(const ObjectBuffer *Buffer) const {
if (Buffer->getBufferSize() < strlen(ELF::ElfMagic))
return false;