1 //===- llvm/CodeGen/MachineModuleInfoImpls.cpp ----------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file implements object-file format specific implementations of 11 // MachineModuleInfoImpl. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #include "llvm/CodeGen/MachineModuleInfoImpls.h" 16 #include "llvm/ADT/DenseMap.h" 17 #include "llvm/MC/MCSymbol.h" 18 #include <cstdlib> 19 #include <utility> 20 21 using namespace llvm; 22 23 //===----------------------------------------------------------------------===// 24 // MachineModuleInfoMachO 25 //===----------------------------------------------------------------------===// 26 27 // Out of line virtual method. 28 void MachineModuleInfoMachO::anchor() {} 29 void MachineModuleInfoELF::anchor() {} 30 31 static int SortSymbolPair(const void *LHS, const void *RHS) { 32 using PairTy = std::pair<MCSymbol *, MachineModuleInfoImpl::StubValueTy>; 33 34 const MCSymbol *LHSS = ((const PairTy *)LHS)->first; 35 const MCSymbol *RHSS = ((const PairTy *)RHS)->first; 36 return LHSS->getName().compare(RHSS->getName()); 37 } 38 39 MachineModuleInfoImpl::SymbolListTy MachineModuleInfoImpl::getSortedStubs( 40 DenseMap<MCSymbol *, MachineModuleInfoImpl::StubValueTy> &Map) { 41 MachineModuleInfoImpl::SymbolListTy List(Map.begin(), Map.end()); 42 43 if (!List.empty()) 44 qsort(&List[0], List.size(), sizeof(List[0]), SortSymbolPair); 45 46 Map.clear(); 47 return List; 48 } 49