1 //===- HexagonEmulation.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 "Hexagon.h" 10 #include <mcld/LinkerConfig.h> 11 #include <mcld/Target/ELFEmulation.h> 12 #include <mcld/Support/TargetRegistry.h> 13 14 namespace mcld { 15 16 static bool MCLDEmulateHexagonELF(LinkerConfig& pConfig) 17 { 18 if (!MCLDEmulateELF(pConfig)) 19 return false; 20 21 // set up bitclass and endian 22 pConfig.targets().setEndian(TargetOptions::Little); 23 pConfig.targets().setBitClass(32); 24 25 // set up target-dependent constraints of attributes 26 pConfig.attribute().constraint().enableWholeArchive(); 27 pConfig.attribute().constraint().enableAsNeeded(); 28 pConfig.attribute().constraint().setSharedSystem(); 29 30 // set up the predefined attributes 31 pConfig.attribute().predefined().unsetWholeArchive(); 32 pConfig.attribute().predefined().unsetAsNeeded(); 33 pConfig.attribute().predefined().setDynamic(); 34 return true; 35 } 36 37 //===----------------------------------------------------------------------===// 38 // emulateHexagonLD - the help function to emulate Hexagon ld 39 //===----------------------------------------------------------------------===// 40 bool emulateHexagonLD(const std::string& pTriple, LinkerConfig& pConfig) 41 { 42 llvm::Triple theTriple(pTriple); 43 if (theTriple.isOSDarwin()) { 44 assert(0 && "MachO linker has not supported yet"); 45 return false; 46 } 47 if (theTriple.isOSWindows()) { 48 assert(0 && "COFF linker has not supported yet"); 49 return false; 50 } 51 52 return MCLDEmulateHexagonELF(pConfig); 53 } 54 55 } // namespace of mcld 56 57 //===----------------------------------------------------------------------===// 58 // HexagonEmulation 59 //===----------------------------------------------------------------------===// 60 extern "C" void MCLDInitializeHexagonEmulation() { 61 // Register the emulation 62 mcld::TargetRegistry::RegisterEmulation(mcld::TheHexagonTarget, 63 mcld::emulateHexagonLD); 64 } 65 66
