Remove the old ELF linker.

I think it is clear by now that the new linker is viable.

llvm-svn: 262158

1 files changed, 0 insertions, 124 deletions

diff --git a/lld/lib/ReaderWriter/ELF/Mips/MipsDynamicTable.h b/lld/lib/ReaderWriter/ELF/Mips/MipsDynamicTable.h
deleted file mode 100644
index 480c69cf460..00000000000
--- a/lld/lib/ReaderWriter/ELF/Mips/MipsDynamicTable.h
+++ /dev/null
@@ -1,124 +0,0 @@
-//===- lib/ReaderWriter/ELF/Mips/MipsDynamicTable.h -----------------------===//
-//
-//                             The LLVM Linker
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-#ifndef LLD_READER_WRITER_ELF_MIPS_MIPS_DYNAMIC_TABLE_H
-#define LLD_READER_WRITER_ELF_MIPS_MIPS_DYNAMIC_TABLE_H
-
-#include "TargetLayout.h"
-#include "SectionChunks.h"
-
-namespace lld {
-namespace elf {
-
-template <class ELFT> class MipsTargetLayout;
-
-template <class ELFT> class MipsDynamicTable : public DynamicTable<ELFT> {
-public:
-  MipsDynamicTable(const ELFLinkingContext &ctx, MipsTargetLayout<ELFT> &layout)
-      : DynamicTable<ELFT>(ctx, layout, ".dynamic",
-                           TargetLayout<ELFT>::ORDER_DYNAMIC),
-        _targetLayout(layout) {}
-
-  void createDefaultEntries() override {
-    DynamicTable<ELFT>::createDefaultEntries();
-
-    // Version id for the Runtime Linker Interface.
-    this->addEntry(DT_MIPS_RLD_VERSION, 1);
-
-    // The .rld_map section address.
-    if (this->_ctx.getOutputELFType() == ET_EXEC) {
-      _dt_rldmap = this->addEntry(DT_MIPS_RLD_MAP, 0);
-      _dt_rldmaprel = this->addEntry(DT_MIPS_RLD_MAP_REL, 0);
-    }
-
-    // MIPS flags.
-    this->addEntry(DT_MIPS_FLAGS, RHF_NOTPOT);
-
-    // The base address of the segment.
-    _dt_baseaddr = this->addEntry(DT_MIPS_BASE_ADDRESS, 0);
-
-    // Number of local global offset table entries.
-    _dt_localgot = this->addEntry(DT_MIPS_LOCAL_GOTNO, 0);
-
-    // Number of entries in the .dynsym section.
-    _dt_symtabno = this->addEntry(DT_MIPS_SYMTABNO, 0);
-
-    // The index of the first dynamic symbol table entry that corresponds
-    // to an entry in the global offset table.
-    _dt_gotsym = this->addEntry(DT_MIPS_GOTSYM, 0);
-
-    // Address of the .got section.
-    _dt_pltgot = this->addEntry(DT_PLTGOT, 0);
-  }
-
-  void doPreFlight() override {
-    DynamicTable<ELFT>::doPreFlight();
-
-    if (_targetLayout.findOutputSection(".MIPS.options")) {
-      _dt_options = this->addEntry(DT_MIPS_OPTIONS, 0);
-    }
-  }
-
-  void updateDynamicTable() override {
-    DynamicTable<ELFT>::updateDynamicTable();
-
-    // Assign the minimum segment address to the DT_MIPS_BASE_ADDRESS tag.
-    auto baseAddr = std::numeric_limits<uint64_t>::max();
-    for (auto si : _targetLayout.segments())
-      if (si->segmentType() != llvm::ELF::PT_NULL)
-        baseAddr = std::min(baseAddr, si->virtualAddr());
-    this->_entries[_dt_baseaddr].d_un.d_val = baseAddr;
-
-    auto &got = _targetLayout.getGOTSection();
-
-    this->_entries[_dt_symtabno].d_un.d_val = this->getSymbolTable()->size();
-    this->_entries[_dt_gotsym].d_un.d_val =
-        this->getSymbolTable()->size() - got.getGlobalCount();
-    this->_entries[_dt_localgot].d_un.d_val = got.getLocalCount();
-    this->_entries[_dt_pltgot].d_un.d_ptr = got.virtualAddr();
-
-    if (const auto *sec = _targetLayout.findOutputSection(".MIPS.options"))
-      this->_entries[_dt_options].d_un.d_ptr = sec->virtualAddr();
-
-    if (const auto *sec = _targetLayout.findOutputSection(".rld_map")) {
-      this->_entries[_dt_rldmap].d_un.d_ptr = sec->virtualAddr();
-      this->_entries[_dt_rldmaprel].d_un.d_ptr =
-          sec->virtualAddr() -
-          (this->virtualAddr() +
-           _dt_rldmaprel * sizeof(typename DynamicTable<ELFT>::Elf_Dyn));
-    }
-  }
-
-  int64_t getGotPltTag() override { return DT_MIPS_PLTGOT; }
-
-protected:
-  /// \brief Adjust the symbol's value for microMIPS code.
-  uint64_t getAtomVirtualAddress(const AtomLayout *al) const override {
-    if (const auto *da = dyn_cast<DefinedAtom>(al->_atom))
-      if (da->codeModel() == DefinedAtom::codeMipsMicro ||
-          da->codeModel() == DefinedAtom::codeMipsMicroPIC)
-        return al->_virtualAddr | 1;
-    return al->_virtualAddr;
-  }
-
-private:
-  std::size_t _dt_symtabno;
-  std::size_t _dt_localgot;
-  std::size_t _dt_gotsym;
-  std::size_t _dt_pltgot;
-  std::size_t _dt_baseaddr;
-  std::size_t _dt_options;
-  std::size_t _dt_rldmap;
-  std::size_t _dt_rldmaprel;
-  MipsTargetLayout<ELFT> &_targetLayout;
-};
-
-} // end namespace elf
-} // end namespace lld
-
-#endif