lib/Target/ELFMCLinker.cpp

//===- ELFMCLinker.cpp ----------------------------------------------------===//
//
//                     The MCLinker Project
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <mcld/Target/ELFMCLinker.h>
#include <mcld/LinkerConfig.h>
#include <mcld/Object/SectionMap.h>
#include <mcld/Support/MsgHandling.h>

using namespace mcld;

struct NameMap {
  const char* from; ///< the prefix of the input string. (match FROM*)
  const char* to;   ///< the output string.
};

static const NameMap map[] =
{
  {".text", ".text"},
  {".rodata", ".rodata"},
  {".data.rel.ro.local", ".data.rel.ro.local"},
  {".data.rel.ro", ".data.rel.ro"},
  {".data", ".data"},
  {".bss", ".bss"},
  {".tdata", ".tdata"},
  {".tbss", ".tbss"},
  {".init_array", ".init_array"},
  {".fini_array", ".fini_array"},
  // TODO: Support DT_INIT_ARRAY for all constructors?
  {".ctors", ".ctors"},
  {".dtors", ".dtors"},
  // FIXME: in GNU ld, if we are creating a shared object .sdata2 and .sbss2
  // sections would be handled differently.
  {".sdata2", ".sdata"},
  {".sbss2", ".sbss"},
  {".sdata", ".sdata"},
  {".sbss", ".sbss"},
  {".lrodata", ".lrodata"},
  {".ldata", ".ldata"},
  {".lbss", ".lbss"},
  {".gcc_except_table", ".gcc_except_table"},
  {".gnu.linkonce.d.rel.ro.local", ".data.rel.ro.local"},
  {".gnu.linkonce.d.rel.ro", ".data.rel.ro"},
  {".gnu.linkonce.r", ".rodata"},
  {".gnu.linkonce.d", ".data"},
  {".gnu.linkonce.b", ".bss"},
  {".gnu.linkonce.sb2", ".sbss"},
  {".gnu.linkonce.sb", ".sbss"},
  {".gnu.linkonce.s2", ".sdata"},
  {".gnu.linkonce.s", ".sdata"},
  {".gnu.linkonce.wi", ".debug_info"},
  {".gnu.linkonce.td", ".tdata"},
  {".gnu.linkonce.tb", ".tbss"},
  {".gnu.linkonce.t", ".text"},
  {".gnu.linkonce.lr", ".lrodata"},
  {".gnu.linkonce.lb", ".lbss"},
  {".gnu.linkonce.l", ".ldata"},
};

//===----------------------------------------------------------------------===//
// ELFMCLinker
//===----------------------------------------------------------------------===//
ELFMCLinker::ELFMCLinker(LinkerConfig& pConfig,
                         mcld::Module& pModule,
                         MemoryArea& pOutput)
  : MCLinker(pConfig, pModule, pOutput) {

}

ELFMCLinker::~ELFMCLinker()
{
  // MCLinker will delete m_pLDBackend and m_pLDDriver;
}