[lld] r176425 - [lld][ELF] Add modified writer
Shankar Easwaran
shankare at codeaurora.org
Sun Mar 3 14:10:58 PST 2013
Author: shankare
Date: Sun Mar 3 16:10:57 2013
New Revision: 176425
URL: http://llvm.org/viewvc/llvm-project?rev=176425&view=rev
Log:
[lld][ELF] Add modified writer
Added:
lld/trunk/lib/ReaderWriter/ELF/Writer.cpp
Added: lld/trunk/lib/ReaderWriter/ELF/Writer.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/lib/ReaderWriter/ELF/Writer.cpp?rev=176425&view=auto
==============================================================================
--- lld/trunk/lib/ReaderWriter/ELF/Writer.cpp (added)
+++ lld/trunk/lib/ReaderWriter/ELF/Writer.cpp Sun Mar 3 16:10:57 2013
@@ -0,0 +1,38 @@
+//===- lib/ReaderWriter/ELF/Writer.cpp ------------------------------------===//
+//
+// The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#include "ExecutableWriter.h"
+
+using namespace llvm;
+using namespace llvm::object;
+
+namespace lld {
+
+std::unique_ptr<Writer> createWriterELF(const ELFTargetInfo &TI) {
+ using llvm::object::ELFType;
+ // Set the default layout to be the static executable layout
+ // We would set the layout to a dynamic executable layout
+ // if we came across any shared libraries in the process
+
+ if (!TI.is64Bits() && TI.isLittleEndian())
+ return std::unique_ptr<Writer>(new
+ elf::ExecutableWriter<ELFType<support::little, 4, false>>(TI));
+ else if (TI.is64Bits() && TI.isLittleEndian())
+ return std::unique_ptr<Writer>(new
+ elf::ExecutableWriter<ELFType<support::little, 8, true>>(TI));
+ else if (!TI.is64Bits() && !TI.isLittleEndian())
+ return std::unique_ptr<Writer>(new
+ elf::ExecutableWriter<ELFType<support::big, 4, false>>(TI));
+ else if (TI.is64Bits() && !TI.isLittleEndian())
+ return std::unique_ptr<Writer>(new
+ elf::ExecutableWriter<ELFType<support::big, 8, true>>(TI));
+
+ llvm_unreachable("Invalid Options!");
+}
+
+}
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