lib/ReaderWriter/ELF/ARM/ARMTargetHandler.cpp

   1 //===--------- lib/ReaderWriter/ELF/ARM/ARMTargetHandler.cpp --------------===//
   2 //
   3 //                             The LLVM Linker
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "Atoms.h"
  11 #include "ARMExecutableWriter.h"
  12 #include "ARMTargetHandler.h"
  13 #include "ARMLinkingContext.h"
  14
  15 using namespace lld;
  16 using namespace elf;
  17
  18 ARMTargetHandler::ARMTargetHandler(ARMLinkingContext &context)
  19     : _context(context), _armTargetLayout(
  20           new ARMTargetLayout<ARMELFType>(context)),
  21       _armRelocationHandler(new ARMTargetRelocationHandler(
  22           *_armTargetLayout.get())) {}
  23
  24 void ARMTargetHandler::registerRelocationNames(Registry &registry) {
  25   registry.addKindTable(Reference::KindNamespace::ELF, Reference::KindArch::ARM,
  26                         kindStrings);
  27 }
  28
  29 std::unique_ptr<Writer> ARMTargetHandler::getWriter() {
  30   switch (this->_context.getOutputELFType()) {
  31   case llvm::ELF::ET_EXEC:
  32     return std::unique_ptr<Writer>(
  33         new ARMExecutableWriter<ARMELFType>(_context, *_armTargetLayout.get()));
  34   default:
  35     llvm_unreachable("unsupported output type");
  36   }
  37 }
  38
  39 #define ELF_RELOC(name, value) LLD_KIND_STRING_ENTRY(name),
  40
  41 const Registry::KindStrings ARMTargetHandler::kindStrings[] = {
  42 #include "llvm/Support/ELFRelocs/ARM.def"
  43     LLD_KIND_STRING_END
  44 };