[llvm-commits] [llvm] r103525 - /llvm/trunk/lib/MC/MachObjectWriter.cpp

[Daniel Dunbar]

Author: ddunbar
Date: Tue May 11 18:53:05 2010
New Revision: 103525

URL: http://llvm.org/viewvc/llvm-project?rev=103525&view=rev
Log:
MC/Mach-O: Fix a crash on invalid.

Modified:
    llvm/trunk/lib/MC/MachObjectWriter.cpp

Modified: llvm/trunk/lib/MC/MachObjectWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MachObjectWriter.cpp?rev=103525&r1=103524&r2=103525&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MachObjectWriter.cpp (original)
+++ llvm/trunk/lib/MC/MachObjectWriter.cpp Tue May 11 18:53:05 2010
@@ -584,7 +584,7 @@
         // Add the local offset, if needed.
         if (Base != &SD)
           Value += Layout.getSymbolAddress(&SD) - Layout.getSymbolAddress(Base);
-      } else {
+      } else if (Symbol->isInSection()) {
         // The index is the section ordinal (1-based).
         Index = SD.getFragment()->getParent()->getOrdinal() + 1;
         IsExtern = 0;
@@ -592,6 +592,9 @@
 
         if (IsPCRel)
           Value -= Address + (1 << Log2Size);
+      } else {
+        report_fatal_error("unsupported relocation of undefined symbol '" +
+                           Symbol->getName() + "'");
       }
 
       MCSymbolRefExpr::VariantKind Modifier = Target.getSymA()->getKind();