blob: de2425f850383463bab3541eba83046b72aa0611 [file] [log] [blame]
//===- AlignFragment.cpp --------------------------------------------------===//
//
// The MCLinker Project
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "mcld/Fragment/AlignFragment.h"
#include "mcld/LD/SectionData.h"
#include <llvm/Support/MathExtras.h>
namespace mcld {
//===----------------------------------------------------------------------===//
// AlignFragment
//===----------------------------------------------------------------------===//
AlignFragment::AlignFragment(unsigned int pAlignment,
int64_t pValue,
unsigned int pValueSize,
unsigned int pMaxBytesToEmit,
SectionData* pSD)
: Fragment(Fragment::Alignment, pSD),
m_Alignment(pAlignment),
m_Value(pValue),
m_ValueSize(pValueSize),
m_MaxBytesToEmit(pMaxBytesToEmit),
m_bEmitNops(false) {
}
size_t AlignFragment::size() const {
assert(hasOffset() &&
"AlignFragment::size() should not be called before layout.");
uint64_t size = llvm::OffsetToAlignment(getOffset(), m_Alignment);
if (size > m_MaxBytesToEmit)
return 0;
return size;
}
} // namespace mcld