MachineModuleInfoImpls.cpp revision 205218
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/MC/MCSymbol.h" 17using namespace llvm; 18 19//===----------------------------------------------------------------------===// 20// MachineModuleInfoMachO 21//===----------------------------------------------------------------------===// 22 23// Out of line virtual method. 24void MachineModuleInfoMachO::Anchor() {} 25void MachineModuleInfoELF::Anchor() {} 26 27static int SortSymbolPair(const void *LHS, const void *RHS) { 28 typedef std::pair<MCSymbol*, MachineModuleInfoImpl::StubValueTy> PairTy; 29 const MCSymbol *LHSS = ((const PairTy *)LHS)->first; 30 const MCSymbol *RHSS = ((const PairTy *)RHS)->first; 31 return LHSS->getName().compare(RHSS->getName()); 32} 33 34/// GetSortedStubs - Return the entries from a DenseMap in a deterministic 35/// sorted orer. 36MachineModuleInfoImpl::SymbolListTy 37MachineModuleInfoImpl::GetSortedStubs(const DenseMap<MCSymbol*, 38 MachineModuleInfoImpl::StubValueTy>&Map) { 39 MachineModuleInfoImpl::SymbolListTy List(Map.begin(), Map.end()); 40 41 if (!List.empty()) 42 qsort(&List[0], List.size(), sizeof(List[0]), SortSymbolPair); 43 return List; 44} 45 46