lld/COFF/COFFLinkerContext.h

   1 //===- COFFLinkerContext.h --------------------------------------*- C++ -*-===//
   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 #ifndef LLD_COFF_COFFLinkerContext_H
  10 #define LLD_COFF_COFFLinkerContext_H
  11
  12 #include "Chunks.h"
  13 #include "Config.h"
  14 #include "DebugTypes.h"
  15 #include "InputFiles.h"
  16 #include "SymbolTable.h"
  17 #include "Writer.h"
  18 #include "lld/Common/CommonLinkerContext.h"
  19 #include "lld/Common/Timer.h"
  20
  21 namespace lld {
  22 namespace coff {
  23
  24 class COFFLinkerContext : public CommonLinkerContext {
  25 public:
  26   COFFLinkerContext();
  27   COFFLinkerContext(const COFFLinkerContext &) = delete;
  28   COFFLinkerContext &operator=(const COFFLinkerContext &) = delete;
  29   ~COFFLinkerContext() = default;
  30
  31   void addTpiSource(TpiSource *tpi) { tpiSourceList.push_back(tpi); }
  32
  33   SymbolTable symtab;
  34
  35   std::vector<ObjFile *> objFileInstances;
  36   std::map<std::string, PDBInputFile *> pdbInputFileInstances;
  37   std::vector<ImportFile *> importFileInstances;
  38   std::vector<BitcodeFile *> bitcodeFileInstances;
  39
  40   MergeChunk *mergeChunkInstances[Log2MaxSectionAlignment + 1] = {};
  41
  42   /// All sources of type information in the program.
  43   std::vector<TpiSource *> tpiSourceList;
  44
  45   std::map<llvm::codeview::GUID, TpiSource *> typeServerSourceMappings;
  46   std::map<uint32_t, TpiSource *> precompSourceMappings;
  47
  48   /// List of all output sections. After output sections are finalized, this
  49   /// can be indexed by getOutputSection.
  50   std::vector<OutputSection *> outputSections;
  51
  52   OutputSection *getOutputSection(const Chunk *c) const {
  53     return c->osidx == 0 ? nullptr : outputSections[c->osidx - 1];
  54   }
  55
  56   // All timers used in the COFF linker.
  57   Timer rootTimer;
  58   Timer inputFileTimer;
  59   Timer ltoTimer;
  60   Timer gcTimer;
  61   Timer icfTimer;
  62
  63   // Writer timers.
  64   Timer codeLayoutTimer;
  65   Timer outputCommitTimer;
  66   Timer totalMapTimer;
  67   Timer symbolGatherTimer;
  68   Timer symbolStringsTimer;
  69   Timer writeTimer;
  70
  71   // PDB timers.
  72   Timer totalPdbLinkTimer;
  73   Timer addObjectsTimer;
  74   Timer typeMergingTimer;
  75   Timer loadGHashTimer;
  76   Timer mergeGHashTimer;
  77   Timer symbolMergingTimer;
  78   Timer publicsLayoutTimer;
  79   Timer tpiStreamLayoutTimer;
  80   Timer diskCommitTimer;
  81 };
  82
  83 } // namespace coff
  84 } // namespace lld
  85
  86 #endif