Looks like this is how you identify executables in ELF.

git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@110641 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
index 1568639..5b66ef8 100644
--- a/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
+++ b/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
@@ -148,8 +148,7 @@
 bool
 ObjectFileELF::IsExecutable() const
 {
-    // FIXME: How is this marked in ELF?
-    return false;
+    return m_header.e_type == ET_EXEC;
 }
 
 ByteOrder