| //===- FragmentLinker.tcc --------------------------------------------------===// |
| // |
| // The MCLinker Project |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| /// addSymbol - add a symbol and resolve it immediately |
| template<Input::Type FROM> |
| LDSymbol* FragmentLinker::addSymbol(const llvm::StringRef& pName, |
| ResolveInfo::Type pType, |
| ResolveInfo::Desc pDesc, |
| ResolveInfo::Binding pBinding, |
| ResolveInfo::SizeType pSize, |
| LDSymbol::ValueType pValue, |
| FragmentRef* pFragmentRef, |
| ResolveInfo::Visibility pVisibility) |
| { |
| llvm::StringRef symbol_name = pName; |
| if (!getLDInfo().scripts().renameMap().empty() && |
| ResolveInfo::Undefined == pDesc) { |
| // If the renameMap is not empty, some symbols should be renamed. |
| // --wrap and --portable defines the symbol rename map. |
| ScriptOptions::SymbolRenameMap::const_iterator renameSym |
| = getLDInfo().scripts().renameMap().find(pName); |
| if (renameSym != getLDInfo().scripts().renameMap().end()) |
| symbol_name = renameSym.getEntry()->value(); |
| } |
| |
| if (FROM == Input::DynObj) |
| return addSymbolFromDynObj(symbol_name, |
| pType, |
| pDesc, |
| pBinding, |
| pSize, |
| pValue, |
| pFragmentRef, |
| pVisibility); |
| |
| if (FROM == Input::Object) |
| return addSymbolFromObject(symbol_name, |
| pType, |
| pDesc, |
| pBinding, |
| pSize, |
| pValue, |
| pFragmentRef, |
| pVisibility); |
| |
| llvm::report_fatal_error("add a symbol from unknown file type.\n"); |
| return NULL; |
| } |
| |
| // defineSymbol - define a new symbol |
| template<FragmentLinker::DefinePolicy POLICY, |
| FragmentLinker::ResolvePolicy RESOLVE> |
| LDSymbol* FragmentLinker::defineSymbol(const llvm::StringRef& pName, |
| bool pIsDyn, |
| ResolveInfo::Type pType, |
| ResolveInfo::Desc pDesc, |
| ResolveInfo::Binding pBinding, |
| ResolveInfo::SizeType pSize, |
| LDSymbol::ValueType pValue, |
| FragmentRef* pFragmentRef, |
| ResolveInfo::Visibility pVisibility) |
| { |
| // These if/return should be optimized by compiler. |
| // This function is defined for clarity. |
| if (FragmentLinker::Force == POLICY && FragmentLinker::Unresolve == RESOLVE) |
| return defineSymbolForcefully(pName, |
| pIsDyn, |
| pType, |
| pDesc, |
| pBinding, |
| pSize, |
| pValue, |
| pFragmentRef, |
| pVisibility); |
| |
| if (FragmentLinker::AsRefered == POLICY && FragmentLinker::Unresolve == RESOLVE) |
| return defineSymbolAsRefered(pName, |
| pIsDyn, |
| pType, |
| pDesc, |
| pBinding, |
| pSize, |
| pValue, |
| pFragmentRef, |
| pVisibility); |
| |
| if (FragmentLinker::Force == POLICY && FragmentLinker::Resolve == RESOLVE) |
| return defineAndResolveSymbolForcefully(pName, |
| pIsDyn, |
| pType, |
| pDesc, |
| pBinding, |
| pSize, |
| pValue, |
| pFragmentRef, |
| pVisibility); |
| |
| if (FragmentLinker::AsRefered == POLICY && FragmentLinker::Resolve == RESOLVE) |
| return defineAndResolveSymbolAsRefered(pName, |
| pIsDyn, |
| pType, |
| pDesc, |
| pBinding, |
| pSize, |
| pValue, |
| pFragmentRef, |
| pVisibility); |
| } |
| |
