1 //===- Module.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/Module.h> 10 #include <mcld/Fragment/FragmentRef.h> 11 #include <mcld/LD/LDSection.h> 12 #include <mcld/LD/LDSymbol.h> 13 #include <mcld/LD/NamePool.h> 14 #include <mcld/LD/ResolveInfo.h> 15 #include <mcld/LD/SectionData.h> 16 #include <mcld/LD/EhFrame.h> 17 #include <mcld/LD/StaticResolver.h> 18 19 using namespace mcld; 20 21 static GCFactory<Module::AliasList, MCLD_SECTIONS_PER_INPUT> gc_aliaslist_factory; 22 23 //===----------------------------------------------------------------------===// 24 // Module 25 //===----------------------------------------------------------------------===// 26 Module::Module(LinkerScript& pScript) 27 : m_Script(pScript), m_NamePool(1024) { 28 } 29 30 Module::Module(const std::string& pName, LinkerScript& pScript) 31 : m_Name(pName), m_Script(pScript), m_NamePool(1024) { 32 } 33 34 Module::~Module() 35 { 36 } 37 38 // Following two functions will be obsolette when we have new section merger. 39 LDSection* Module::getSection(const std::string& pName) 40 { 41 iterator sect, sectEnd = end(); 42 for (sect = begin(); sect != sectEnd; ++sect) { 43 if ((*sect)->name() == pName) 44 return *sect; 45 } 46 return NULL; 47 } 48 49 const LDSection* Module::getSection(const std::string& pName) const 50 { 51 const_iterator sect, sectEnd = end(); 52 for (sect = begin(); sect != sectEnd; ++sect) { 53 if ((*sect)->name() == pName) 54 return *sect; 55 } 56 return NULL; 57 } 58 59 void Module::CreateAliasList(const ResolveInfo& pSym) 60 { 61 AliasList* result = gc_aliaslist_factory.allocate(); 62 new (result) AliasList(); 63 m_AliasLists.push_back(result); 64 result->push_back(&pSym); 65 } 66 67 void Module::addAlias(const ResolveInfo& pAlias) 68 { 69 assert(0!=m_AliasLists.size()); 70 uint32_t last_pos = m_AliasLists.size()-1; 71 m_AliasLists[last_pos]->push_back(&pAlias); 72 } 73 74 Module::AliasList* Module::getAliasList(const ResolveInfo& pSym) 75 { 76 std::vector<AliasList*>::iterator list_it, list_it_e=m_AliasLists.end(); 77 for (list_it=m_AliasLists.begin(); list_it!=list_it_e; ++list_it) { 78 AliasList& list = **list_it; 79 alias_iterator alias_it, alias_it_e=list.end(); 80 for (alias_it=list.begin(); alias_it!=alias_it_e; ++alias_it) { 81 if ( 0==strcmp((*alias_it)->name(), pSym.name()) ) { 82 return &list; 83 } 84 } 85 } 86 return NULL; 87 } 88 89
