MipsEmulation.cpp revision f7ac0f19a1c8d0ad14bcf6456ce368b830fea886
1//===- MipsEmulation.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 "Mips.h" 10#include <mcld/LinkerScript.h> 11#include <mcld/LinkerConfig.h> 12#include <mcld/Target/ELFEmulation.h> 13#include <mcld/Support/TargetRegistry.h> 14 15namespace mcld { 16 17static bool MCLDEmulateMipsELF(LinkerScript& pScript, LinkerConfig& pConfig) 18{ 19 if (!MCLDEmulateELF(pScript, pConfig)) 20 return false; 21 22 // set up bitclass and endian 23 pConfig.targets().setEndian(TargetOptions::Little); 24 pConfig.targets().setBitClass(32); 25 26 // set up target-dependent constraints of attributes 27 pConfig.attribute().constraint().enableWholeArchive(); 28 pConfig.attribute().constraint().enableAsNeeded(); 29 pConfig.attribute().constraint().setSharedSystem(); 30 31 // set up the predefined attributes 32 pConfig.attribute().predefined().unsetWholeArchive(); 33 pConfig.attribute().predefined().unsetAsNeeded(); 34 pConfig.attribute().predefined().setDynamic(); 35 return true; 36} 37 38//===----------------------------------------------------------------------===// 39// emulateMipsLD - the help function to emulate Mips ld 40//===----------------------------------------------------------------------===// 41bool emulateMipsLD(LinkerScript& pScript, LinkerConfig& pConfig) 42{ 43 if (pConfig.targets().triple().isOSDarwin()) { 44 assert(0 && "MachO linker has not supported yet"); 45 return false; 46 } 47 if (pConfig.targets().triple().isOSWindows()) { 48 assert(0 && "COFF linker has not supported yet"); 49 return false; 50 } 51 52 return MCLDEmulateMipsELF(pScript, pConfig); 53} 54 55} // namespace of mcld 56 57//===----------------------------------------------------------------------===// 58// MipsEmulation 59//===----------------------------------------------------------------------===// 60extern "C" void MCLDInitializeMipsEmulation() { 61 // Register the emulation 62 mcld::TargetRegistry::RegisterEmulation(mcld::TheMipselTarget, mcld::emulateMipsLD); 63} 64 65