Fix a Darwin x86_64 special case of a jmp to a temporary symbol from an atom
without a base symbol that must not have a relocation entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139316 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MachObjectWriter.cpp b/lib/MC/MachObjectWriter.cpp
index 7011916..ef0a93d 100644
--- a/lib/MC/MachObjectWriter.cpp
+++ b/lib/MC/MachObjectWriter.cpp
@@ -590,6 +590,16 @@
return false;
return true;
}
+ // For Darwin x86_64, there is one special case when the reference IsPCRel.
+ // If the fragment with the reference does not have a base symbol but meets
+ // the simple way of dealing with this, in that it is a temporary symbol in
+ // the same atom then it is assumed to be fully resolved. This is needed so
+ // a relocation entry is not created and so the staitic linker does not
+ // mess up the reference later.
+ else if(!FB.getAtom() &&
+ SA.isTemporary() && SA.isInSection() && &SecA == &SecB){
+ return true;
+ }
} else {
if (!TargetObjectWriter->useAggressiveSymbolFolding())
return false;