commit 4a80e94b86f5f7e8df3e81bebb280444e1c43bbe
author Eli Friedman <eli.friedman@gmail.com> Wed May 02 02:31:28 2012 +0000
committer Eli Friedman <eli.friedman@gmail.com> Wed May 02 02:31:28 2012 +0000
tree adae06f92ed4774831821fa31663e72dcef045d8
parent 38f7c7bca5469ed62ee4c309f7c2c528eb093b2e

Fix the implementation of MachOObjectFile::isSectionZeroInit so it follows the MachO spec.

llvm-svn: 155976

llvm/lib/Object/MachOObjectFile.cpp

diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp
index 3bcda17..5de9453 100644
--- a/llvm/lib/Object/MachOObjectFile.cpp
+++ b/llvm/lib/Object/MachOObjectFile.cpp
@@ -598,13 +598,15 @@
   if (MachOObj->is64Bit()) {
     InMemoryStruct<macho::Section64> Sect;
     getSection64(DRI, Sect);
-    Result = (Sect->Flags & MachO::SectionTypeZeroFill ||
-              Sect->Flags & MachO::SectionTypeZeroFillLarge);
+    unsigned SectionType = Sect->Flags & MachO::SectionFlagMaskSectionType;
+    Result = (SectionType == MachO::SectionTypeZeroFill ||
+              SectionType == MachO::SectionTypeZeroFillLarge);
   } else {
     InMemoryStruct<macho::Section> Sect;
     getSection(DRI, Sect);
-    Result = (Sect->Flags & MachO::SectionTypeZeroFill ||
-              Sect->Flags & MachO::SectionTypeZeroFillLarge);
+    unsigned SectionType = Sect->Flags & MachO::SectionFlagMaskSectionType;
+    Result = (SectionType == MachO::SectionTypeZeroFill ||
+              SectionType == MachO::SectionTypeZeroFillLarge);
   }
 
   return object_error::success;