llvm/lib/DWARFLinkerParallel/DWARFLinkerImpl.cpp

   1 //=== DWARFLinkerImpl.cpp -------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "DWARFLinkerImpl.h"
  10
  11 namespace llvm {
  12 namespace dwarflinker_parallel {
  13
  14 /// Similar to DWARFUnitSection::getUnitForOffset(), but returning our
  15 /// CompileUnit object instead.
  16 CompileUnit *
  17 DWARFLinkerImpl::LinkContext::getUnitForOffset(CompileUnit &CurrentCU,
  18                                                uint64_t Offset) const {
  19   if (CurrentCU.isClangModule())
  20     return &CurrentCU;
  21
  22   auto CU = llvm::upper_bound(
  23       CompileUnits, Offset,
  24       [](uint64_t LHS, const std::unique_ptr<CompileUnit> &RHS) {
  25         return LHS < RHS->getOrigUnit().getNextUnitOffset();
  26       });
  27
  28   return CU != CompileUnits.end() ? CU->get() : nullptr;
  29 }
  30
  31 Error DWARFLinkerImpl::createEmitter(const Triple &TheTriple,
  32                                      OutputFileType FileType,
  33                                      raw_pwrite_stream &OutFile) {
  34
  35   TheDwarfEmitter = std::make_unique<DwarfEmitterImpl>(
  36       FileType, OutFile, OutputStrings.getTranslator(), WarningHandler);
  37
  38   return TheDwarfEmitter->init(TheTriple, "__DWARF");
  39 }
  40
  41 ExtraDwarfEmitter *DWARFLinkerImpl::getEmitter() {
  42   return TheDwarfEmitter.get();
  43 }
  44
  45 } // end of namespace dwarflinker_parallel
  46 } // namespace llvm