1 //===- MergedStringTable.cpp ----------------------------------------------===// 2 // 3 // The MCLinker Project 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #include "mcld/LD/MergedStringTable.h" 10 11 namespace mcld { 12 13 bool MergedStringTable::insertString(llvm::StringRef pString) { 14 return m_StringMap.insert(std::make_pair(pString, 0)).second; 15 } 16 17 uint64_t MergedStringTable::finalizeOffset() { 18 // trverse the string table and set the offset 19 string_map_iterator it, end = m_StringMap.end(); 20 size_t offset = 0; 21 for (it = m_StringMap.begin(); it != end; ++it) { 22 it->setValue(offset); 23 offset += it->getKey().size() + 1; 24 } 25 return offset; 26 } 27 28 void MergedStringTable::emit(MemoryRegion& pRegion) { 29 char* ptr = reinterpret_cast<char*>(pRegion.begin()); 30 string_map_iterator it, end = m_StringMap.end(); 31 for (it = m_StringMap.begin(); it != end; ++it) { 32 ::memcpy(ptr, it->getKey().data(), it->getKey().size()); 33 ptr += it->getKey().size() + 1; 34 } 35 } 36 37 size_t MergedStringTable::getOutputOffset(llvm::StringRef pStr) { 38 assert(m_StringMap.find(pStr) != m_StringMap.end()); 39 return m_StringMap[pStr]; 40 } 41 42 } // namespace mcld 43
