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/*
* File: DataTarget.cpp
*
* Copyright (c) Freescale Semiconductor, Inc. All rights reserved.
* See included license file for license details.
*/
#include "DataTarget.h"
#include "DataSource.h"
#include "ElftosbErrors.h"
using namespace elftosb;
//! \exception elftosb::semantic_error Thrown if the source has multiple segments.
DataTarget::AddressRange ConstantDataTarget::getRangeForSegment(DataSource & source, DataSource::Segment & segment)
{
// can't handle multi-segment data sources
if (source.getSegmentCount() > 1)
{
throw semantic_error("constant targets only support single-segment sources");
}
// always relocate the segment to our begin address
AddressRange range;
range.m_begin = m_begin;
if (isBounded())
{
// we have an end address. trim the result range to the segment size
// or let the end address crop the segment.
range.m_end = std::min<uint32_t>(m_end, m_begin + segment.getLength());
}
else
{
// we have no end address, so the segment size determines it.
range.m_end = m_begin + segment.getLength();
}
return range;
}
//! If the \a segment has a natural location, the returned address range extends
//! from the segment's base address to its base address plus its length.
//!
//! \exception elftosb::semantic_error This exception is thrown if the \a segment
//! does not have a natural location associated with it.
DataTarget::AddressRange NaturalDataTarget::getRangeForSegment(DataSource & /*source*/, DataSource::Segment & segment)
{
if (!segment.hasNaturalLocation())
{
throw semantic_error("source has no natural location");
}
AddressRange range;
range.m_begin = segment.getBaseAddress();
range.m_end = segment.getBaseAddress() + segment.getLength();
return range;
}
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