Linkloader improvement: mclinker.

Change-Id: I8805e39ccbc2ee204234fb3e71c70c906f3990bb

1 files changed, 70 insertions, 0 deletions

diff --git a/lib/Target/X86/X86GOTPLT.h b/lib/Target/X86/X86GOTPLT.h
new file mode 100644
index 0000000..9882cc4
--- /dev/null
+++ b/lib/Target/X86/X86GOTPLT.h
@@ -0,0 +1,70 @@
+//===- X86GOTPLT.h --------------------------------------------------------===//
+//
+//                     The MCLinker Project
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#ifndef MCLD_X86_GOTPLT_H
+#define MCLD_X86_GOTPLT_H
+#ifdef ENABLE_UNITTEST
+#include <gtest.h>
+#endif
+
+#include "mcld/Target/GOT.h"
+
+namespace mcld
+{
+class LDSection;
+
+/** \class X86GOTPLT
+ *  \brief X86 .got.plt section.
+ */
+
+const unsigned int X86GOT0Num = 3;
+
+class X86GOTPLT : public GOT
+{
+  typedef llvm::DenseMap<const ResolveInfo*, GOTEntry*> SymbolIndexMapType;
+
+public:
+  typedef llvm::MCSectionData::iterator iterator;
+  typedef llvm::MCSectionData::const_iterator const_iterator;
+
+public:
+  X86GOTPLT(LDSection &pSection, llvm::MCSectionData& pSectionData);
+
+  ~X86GOTPLT();
+
+  iterator begin();
+
+  const_iterator begin() const;
+
+  iterator end();
+
+  const_iterator end() const;
+
+// For GOT0
+public:
+  void applyGOT0(const uint64_t pAddress);
+
+// For GOTPLT
+public:
+  void reserveGOTPLTEntry();
+
+  void applyAllGOTPLT(const uint64_t pPLTBase);
+
+  GOTEntry*& lookupGOTPLTMap(const ResolveInfo& pSymbol);
+
+  iterator getNextGOTPLTEntry();
+
+private:
+  iterator m_GOTPLTIterator;
+  SymbolIndexMapType m_GOTPLTMap;
+};
+
+} // namespace of mcld
+
+#endif
+