Remember if a weakref of a symbol has been used.

This avoids yet another last minute patching of the binding.

While at it, also simplify the weakref implementation a bit by not walking
past it in the expression evaluation.

llvm-svn: 238982

1 files changed, 6 insertions, 0 deletions

diff --git a/llvm/lib/MC/MCSymbolELF.cpp b/llvm/lib/MC/MCSymbolELF.cpp
index 4e6def0c2e1..458248104e0 100644
--- a/llvm/lib/MC/MCSymbolELF.cpp
+++ b/llvm/lib/MC/MCSymbolELF.cpp
@@ -35,6 +35,8 @@ unsigned MCSymbolELF::getBinding() const {
     return ELF::STB_LOCAL;
   if (isUsedInReloc())
     return ELF::STB_GLOBAL;
+  if (isWeakrefUsedInReloc())
+    return ELF::STB_WEAK;
   if (isSignature())
     return ELF::STB_LOCAL;
   return ELF::STB_GLOBAL;
@@ -96,6 +98,10 @@ bool MCSymbolELF::isUsedInReloc() const {
   return UsedInReloc;
 }
 
+void MCSymbolELF::setIsWeakrefUsedInReloc() const { WeakrefUsedInReloc = true; }
+
+bool MCSymbolELF::isWeakrefUsedInReloc() const { return WeakrefUsedInReloc; }
+
 void MCSymbolELF::setIsSignature() const { IsSignature = true; }
 
 bool MCSymbolELF::isSignature() const { return IsSignature; }