1 /* 2 * File: DataTarget.cpp 3 * 4 * Copyright (c) Freescale Semiconductor, Inc. All rights reserved. 5 * See included license file for license details. 6 */ 7 8 #include "DataTarget.h" 9 #include "DataSource.h" 10 #include "ElftosbErrors.h" 11 12 using namespace elftosb; 13 14 //! \exception elftosb::semantic_error Thrown if the source has multiple segments. getRangeForSegment(DataSource & source,DataSource::Segment & segment)15DataTarget::AddressRange ConstantDataTarget::getRangeForSegment(DataSource & source, DataSource::Segment & segment) 16 { 17 // can't handle multi-segment data sources 18 if (source.getSegmentCount() > 1) 19 { 20 throw semantic_error("constant targets only support single-segment sources"); 21 } 22 23 // always relocate the segment to our begin address 24 AddressRange range; 25 range.m_begin = m_begin; 26 27 if (isBounded()) 28 { 29 // we have an end address. trim the result range to the segment size 30 // or let the end address crop the segment. 31 range.m_end = std::min<uint32_t>(m_end, m_begin + segment.getLength()); 32 } 33 else 34 { 35 // we have no end address, so the segment size determines it. 36 range.m_end = m_begin + segment.getLength(); 37 } 38 39 return range; 40 } 41 42 //! If the \a segment has a natural location, the returned address range extends 43 //! from the segment's base address to its base address plus its length. 44 //! 45 //! \exception elftosb::semantic_error This exception is thrown if the \a segment 46 //! does not have a natural location associated with it. getRangeForSegment(DataSource & source,DataSource::Segment & segment)47DataTarget::AddressRange NaturalDataTarget::getRangeForSegment(DataSource & source, DataSource::Segment & segment) 48 { 49 if (!segment.hasNaturalLocation()) 50 { 51 throw semantic_error("source has no natural location"); 52 } 53 54 AddressRange range; 55 range.m_begin = segment.getBaseAddress(); 56 range.m_end = segment.getBaseAddress() + segment.getLength(); 57 return range; 58 } 59 60