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[lld][ELF] Add modified writer 

llvm-svn: 176425
This commit is contained in:
Shankar Easwaran 2013-03-03 22:10:57 +00:00
parent 1993b0000c
commit 03a525d6fd
1 changed files with 38 additions and 0 deletions
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38
lld/lib/ReaderWriter/ELF/Writer.cpp Normal file
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//===- 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!");
}
}