Update MCLinker to work with LLVM 3.4.
This corresponds to merging upstream MCLinker with the following SHA:
6dcbf36cdb146d6f175ba2f18a9004753cafeaff
Change-Id: I1bc8c2ce4accc563450bc71ee295a6e47a0c0469
diff --git a/lib/Target/ELFAttributeValue.cpp b/lib/Target/ELFAttributeValue.cpp
new file mode 100644
index 0000000..0f99325
--- /dev/null
+++ b/lib/Target/ELFAttributeValue.cpp
@@ -0,0 +1,66 @@
+//===- ELFAttributeValue.cpp ----------------------------------------------===//
+//
+// The MCLinker Project
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <mcld/Target/ELFAttributeValue.h>
+
+#include <llvm/Support/ErrorHandling.h>
+
+#include <mcld/Support/LEB128.h>
+
+using namespace mcld;
+
+size_t ELFAttributeValue::getSize() const
+{
+ size_t size = 0;
+
+ if (isIntValue())
+ size += leb128::size<uint32_t>(m_IntValue);
+
+ if (isStringValue())
+ size += m_StringValue.length() + 1 /* for NULL-terminator */;
+
+ if (size <= 0)
+ // unknown type of the value
+ llvm::report_fatal_error("Unknown type of attribtue value!");
+
+ return size;
+}
+
+bool ELFAttributeValue::isDefaultValue() const
+{
+ if (isUninitialized()) {
+ // Uninitialized attribute means default value
+ return true;
+ } else {
+ if (isIntValue() && (m_IntValue != 0))
+ return false;
+ if (isStringValue() && !m_StringValue.empty())
+ return false;
+
+ // The value hold in the storage is the "default value by default" (i.e., 0
+ // for int type, empty string for string type), but we need to check whether
+ // the "default value" is defined (that is, hasNoDefault() = false.)
+ return !hasNoDefault();
+ }
+ // unreachable
+}
+
+bool ELFAttributeValue::equals(const ELFAttributeValue& pValue) const
+{
+ if ((pValue.type() != m_Type) || isUninitialized())
+ return false;
+
+ if (isIntValue() && (m_IntValue != pValue.getIntValue()))
+ return false;
+
+ if (isStringValue() && (m_StringValue != pValue.getStringValue()))
+ return false;
+
+ return true;
+}
