YQ Connector: support managed ClickHouse

Со стороны dqrun можно обратиться к инстансу коннектора, который работает на streaming стенде, и извлечь данные из облачного CH.

9 files changed, 1496 insertions, 0 deletions

diff --git a/contrib/libs/llvm14/tools/llvm-objcopy/COFF/COFFConfig.h b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/COFFConfig.h
new file mode 100644
index 0000000000..7bf673fa4a
--- /dev/null
+++ b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/COFFConfig.h
@@ -0,0 +1,27 @@
+//===- COFFConfig.h ---------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLS_LLVM_OBJCOPY_COFF_COFFCONFIG_H
+#define LLVM_TOOLS_LLVM_OBJCOPY_COFF_COFFCONFIG_H
+
+#include "llvm/ADT/Optional.h"
+
+namespace llvm {
+namespace objcopy {
+
+// Coff specific configuration for copying/stripping a single file.
+struct COFFConfig {
+  Optional<unsigned> Subsystem;
+  Optional<unsigned> MajorSubsystemVersion;
+  Optional<unsigned> MinorSubsystemVersion;
+};
+
+} // namespace objcopy
+} // namespace llvm
+
+#endif // LLVM_TOOLS_LLVM_OBJCOPY_COFF_COFFCONFIG_H
diff --git a/contrib/libs/llvm14/tools/llvm-objcopy/COFF/COFFObjcopy.cpp b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/COFFObjcopy.cpp
new file mode 100644
index 0000000000..e0039cd3a6
--- /dev/null
+++ b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/COFFObjcopy.cpp
@@ -0,0 +1,297 @@
+//===- COFFObjcopy.cpp ----------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "COFFObjcopy.h"
+#include "COFFConfig.h"
+#include "CommonConfig.h"
+#include "Object.h"
+#include "Reader.h"
+#include "Writer.h"
+
+#include "llvm/Object/Binary.h"
+#include "llvm/Object/COFF.h"
+#include "llvm/Support/CRC.h"
+#include "llvm/Support/Errc.h"
+#include "llvm/Support/Path.h"
+#include <cassert>
+
+namespace llvm {
+namespace objcopy {
+namespace coff {
+
+using namespace object;
+using namespace COFF;
+
+static bool isDebugSection(const Section &Sec) {
+  return Sec.Name.startswith(".debug");
+}
+
+static uint64_t getNextRVA(const Object &Obj) {
+  if (Obj.getSections().empty())
+    return 0;
+  const Section &Last = Obj.getSections().back();
+  return alignTo(Last.Header.VirtualAddress + Last.Header.VirtualSize,
+                 Obj.IsPE ? Obj.PeHeader.SectionAlignment : 1);
+}
+
+static Expected<std::vector<uint8_t>>
+createGnuDebugLinkSectionContents(StringRef File) {
+  ErrorOr<std::unique_ptr<MemoryBuffer>> LinkTargetOrErr =
+      MemoryBuffer::getFile(File);
+  if (!LinkTargetOrErr)
+    return createFileError(File, LinkTargetOrErr.getError());
+  auto LinkTarget = std::move(*LinkTargetOrErr);
+  uint32_t CRC32 = llvm::crc32(arrayRefFromStringRef(LinkTarget->getBuffer()));
+
+  StringRef FileName = sys::path::filename(File);
+  size_t CRCPos = alignTo(FileName.size() + 1, 4);
+  std::vector<uint8_t> Data(CRCPos + 4);
+  memcpy(Data.data(), FileName.data(), FileName.size());
+  support::endian::write32le(Data.data() + CRCPos, CRC32);
+  return Data;
+}
+
+// Adds named section with given contents to the object.
+static void addSection(Object &Obj, StringRef Name, ArrayRef<uint8_t> Contents,
+                       uint32_t Characteristics) {
+  bool NeedVA = Characteristics & (IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ |
+                                   IMAGE_SCN_MEM_WRITE);
+
+  Section Sec;
+  Sec.setOwnedContents(Contents);
+  Sec.Name = Name;
+  Sec.Header.VirtualSize = NeedVA ? Sec.getContents().size() : 0u;
+  Sec.Header.VirtualAddress = NeedVA ? getNextRVA(Obj) : 0u;
+  Sec.Header.SizeOfRawData =
+      NeedVA ? alignTo(Sec.Header.VirtualSize,
+                       Obj.IsPE ? Obj.PeHeader.FileAlignment : 1)
+             : Sec.getContents().size();
+  // Sec.Header.PointerToRawData is filled in by the writer.
+  Sec.Header.PointerToRelocations = 0;
+  Sec.Header.PointerToLinenumbers = 0;
+  // Sec.Header.NumberOfRelocations is filled in by the writer.
+  Sec.Header.NumberOfLinenumbers = 0;
+  Sec.Header.Characteristics = Characteristics;
+
+  Obj.addSections(Sec);
+}
+
+static Error addGnuDebugLink(Object &Obj, StringRef DebugLinkFile) {
+  Expected<std::vector<uint8_t>> Contents =
+      createGnuDebugLinkSectionContents(DebugLinkFile);
+  if (!Contents)
+    return Contents.takeError();
+
+  addSection(Obj, ".gnu_debuglink", *Contents,
+             IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ |
+                 IMAGE_SCN_MEM_DISCARDABLE);
+
+  return Error::success();
+}
+
+static uint32_t flagsToCharacteristics(SectionFlag AllFlags, uint32_t OldChar) {
+  // Need to preserve alignment flags.
+  const uint32_t PreserveMask =
+      IMAGE_SCN_ALIGN_1BYTES | IMAGE_SCN_ALIGN_2BYTES | IMAGE_SCN_ALIGN_4BYTES |
+      IMAGE_SCN_ALIGN_8BYTES | IMAGE_SCN_ALIGN_16BYTES |
+      IMAGE_SCN_ALIGN_32BYTES | IMAGE_SCN_ALIGN_64BYTES |
+      IMAGE_SCN_ALIGN_128BYTES | IMAGE_SCN_ALIGN_256BYTES |
+      IMAGE_SCN_ALIGN_512BYTES | IMAGE_SCN_ALIGN_1024BYTES |
+      IMAGE_SCN_ALIGN_2048BYTES | IMAGE_SCN_ALIGN_4096BYTES |
+      IMAGE_SCN_ALIGN_8192BYTES;
+
+  // Setup new section characteristics based on the flags provided in command
+  // line.
+  uint32_t NewCharacteristics = (OldChar & PreserveMask) | IMAGE_SCN_MEM_READ;
+
+  if ((AllFlags & SectionFlag::SecAlloc) && !(AllFlags & SectionFlag::SecLoad))
+    NewCharacteristics |= IMAGE_SCN_CNT_UNINITIALIZED_DATA;
+  if (AllFlags & SectionFlag::SecNoload)
+    NewCharacteristics |= IMAGE_SCN_LNK_REMOVE;
+  if (!(AllFlags & SectionFlag::SecReadonly))
+    NewCharacteristics |= IMAGE_SCN_MEM_WRITE;
+  if (AllFlags & SectionFlag::SecDebug)
+    NewCharacteristics |=
+        IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_DISCARDABLE;
+  if (AllFlags & SectionFlag::SecCode)
+    NewCharacteristics |= IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE;
+  if (AllFlags & SectionFlag::SecData)
+    NewCharacteristics |= IMAGE_SCN_CNT_INITIALIZED_DATA;
+  if (AllFlags & SectionFlag::SecShare)
+    NewCharacteristics |= IMAGE_SCN_MEM_SHARED;
+  if (AllFlags & SectionFlag::SecExclude)
+    NewCharacteristics |= IMAGE_SCN_LNK_REMOVE;
+
+  return NewCharacteristics;
+}
+
+static Error handleArgs(const CommonConfig &Config,
+                        const COFFConfig &COFFConfig, Object &Obj) {
+  // Perform the actual section removals.
+  Obj.removeSections([&Config](const Section &Sec) {
+    // Contrary to --only-keep-debug, --only-section fully removes sections that
+    // aren't mentioned.
+    if (!Config.OnlySection.empty() && !Config.OnlySection.matches(Sec.Name))
+      return true;
+
+    if (Config.StripDebug || Config.StripAll || Config.StripAllGNU ||
+        Config.DiscardMode == DiscardType::All || Config.StripUnneeded) {
+      if (isDebugSection(Sec) &&
+          (Sec.Header.Characteristics & IMAGE_SCN_MEM_DISCARDABLE) != 0)
+        return true;
+    }
+
+    if (Config.ToRemove.matches(Sec.Name))
+      return true;
+
+    return false;
+  });
+
+  if (Config.OnlyKeepDebug) {
+    // For --only-keep-debug, we keep all other sections, but remove their
+    // content. The VirtualSize field in the section header is kept intact.
+    Obj.truncateSections([](const Section &Sec) {
+      return !isDebugSection(Sec) && Sec.Name != ".buildid" &&
+             ((Sec.Header.Characteristics &
+               (IMAGE_SCN_CNT_CODE | IMAGE_SCN_CNT_INITIALIZED_DATA)) != 0);
+    });
+  }
+
+  // StripAll removes all symbols and thus also removes all relocations.
+  if (Config.StripAll || Config.StripAllGNU)
+    for (Section &Sec : Obj.getMutableSections())
+      Sec.Relocs.clear();
+
+  // If we need to do per-symbol removals, initialize the Referenced field.
+  if (Config.StripUnneeded || Config.DiscardMode == DiscardType::All ||
+      !Config.SymbolsToRemove.empty())
+    if (Error E = Obj.markSymbols())
+      return E;
+
+  for (Symbol &Sym : Obj.getMutableSymbols()) {
+    auto I = Config.SymbolsToRename.find(Sym.Name);
+    if (I != Config.SymbolsToRename.end())
+      Sym.Name = I->getValue();
+  }
+
+  auto ToRemove = [&](const Symbol &Sym) -> Expected<bool> {
+    // For StripAll, all relocations have been stripped and we remove all
+    // symbols.
+    if (Config.StripAll || Config.StripAllGNU)
+      return true;
+
+    if (Config.SymbolsToRemove.matches(Sym.Name)) {
+      // Explicitly removing a referenced symbol is an error.
+      if (Sym.Referenced)
+        return createStringError(
+            llvm::errc::invalid_argument,
+            "'" + Config.OutputFilename + "': not stripping symbol '" +
+                Sym.Name.str() + "' because it is named in a relocation");
+      return true;
+    }
+
+    if (!Sym.Referenced) {
+      // With --strip-unneeded, GNU objcopy removes all unreferenced local
+      // symbols, and any unreferenced undefined external.
+      // With --strip-unneeded-symbol we strip only specific unreferenced
+      // local symbol instead of removing all of such.
+      if (Sym.Sym.StorageClass == IMAGE_SYM_CLASS_STATIC ||
+          Sym.Sym.SectionNumber == 0)
+        if (Config.StripUnneeded ||
+            Config.UnneededSymbolsToRemove.matches(Sym.Name))
+          return true;
+
+      // GNU objcopy keeps referenced local symbols and external symbols
+      // if --discard-all is set, similar to what --strip-unneeded does,
+      // but undefined local symbols are kept when --discard-all is set.
+      if (Config.DiscardMode == DiscardType::All &&
+          Sym.Sym.StorageClass == IMAGE_SYM_CLASS_STATIC &&
+          Sym.Sym.SectionNumber != 0)
+        return true;
+    }
+
+    return false;
+  };
+
+  // Actually do removals of symbols.
+  if (Error Err = Obj.removeSymbols(ToRemove))
+    return Err;
+
+  if (!Config.SetSectionFlags.empty())
+    for (Section &Sec : Obj.getMutableSections()) {
+      const auto It = Config.SetSectionFlags.find(Sec.Name);
+      if (It != Config.SetSectionFlags.end())
+        Sec.Header.Characteristics = flagsToCharacteristics(
+            It->second.NewFlags, Sec.Header.Characteristics);
+    }
+
+  for (const auto &Flag : Config.AddSection) {
+    StringRef SecName, FileName;
+    std::tie(SecName, FileName) = Flag.split("=");
+
+    auto BufOrErr = MemoryBuffer::getFile(FileName);
+    if (!BufOrErr)
+      return createFileError(FileName, errorCodeToError(BufOrErr.getError()));
+    auto Buf = std::move(*BufOrErr);
+
+    uint32_t Characteristics;
+    const auto It = Config.SetSectionFlags.find(SecName);
+    if (It != Config.SetSectionFlags.end())
+      Characteristics = flagsToCharacteristics(It->second.NewFlags, 0);
+    else
+      Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_ALIGN_1BYTES;
+
+    addSection(
+        Obj, SecName,
+        makeArrayRef(reinterpret_cast<const uint8_t *>(Buf->getBufferStart()),
+                     Buf->getBufferSize()),
+        Characteristics);
+  }
+
+  if (!Config.AddGnuDebugLink.empty())
+    if (Error E = addGnuDebugLink(Obj, Config.AddGnuDebugLink))
+      return E;
+
+  if (COFFConfig.Subsystem || COFFConfig.MajorSubsystemVersion ||
+      COFFConfig.MinorSubsystemVersion) {
+    if (!Obj.IsPE)
+      return createStringError(
+          errc::invalid_argument,
+          "'" + Config.OutputFilename +
+              "': unable to set subsystem on a relocatable object file");
+    if (COFFConfig.Subsystem)
+      Obj.PeHeader.Subsystem = *COFFConfig.Subsystem;
+    if (COFFConfig.MajorSubsystemVersion)
+      Obj.PeHeader.MajorSubsystemVersion = *COFFConfig.MajorSubsystemVersion;
+    if (COFFConfig.MinorSubsystemVersion)
+      Obj.PeHeader.MinorSubsystemVersion = *COFFConfig.MinorSubsystemVersion;
+  }
+
+  return Error::success();
+}
+
+Error executeObjcopyOnBinary(const CommonConfig &Config,
+                             const COFFConfig &COFFConfig, COFFObjectFile &In,
+                             raw_ostream &Out) {
+  COFFReader Reader(In);
+  Expected<std::unique_ptr<Object>> ObjOrErr = Reader.create();
+  if (!ObjOrErr)
+    return createFileError(Config.InputFilename, ObjOrErr.takeError());
+  Object *Obj = ObjOrErr->get();
+  assert(Obj && "Unable to deserialize COFF object");
+  if (Error E = handleArgs(Config, COFFConfig, *Obj))
+    return createFileError(Config.InputFilename, std::move(E));
+  COFFWriter Writer(*Obj, Out);
+  if (Error E = Writer.write())
+    return createFileError(Config.OutputFilename, std::move(E));
+  return Error::success();
+}
+
+} // end namespace coff
+} // end namespace objcopy
+} // end namespace llvm
diff --git a/contrib/libs/llvm14/tools/llvm-objcopy/COFF/COFFObjcopy.h b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/COFFObjcopy.h
new file mode 100644
index 0000000000..2c7ccd3465
--- /dev/null
+++ b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/COFFObjcopy.h
@@ -0,0 +1,33 @@
+//===- COFFObjcopy.h --------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLS_OBJCOPY_COFFOBJCOPY_H
+#define LLVM_TOOLS_OBJCOPY_COFFOBJCOPY_H
+
+namespace llvm {
+class Error;
+class raw_ostream;
+
+namespace object {
+class COFFObjectFile;
+} // end namespace object
+
+namespace objcopy {
+struct CommonConfig;
+struct COFFConfig;
+
+namespace coff {
+
+Error executeObjcopyOnBinary(const CommonConfig &Config, const COFFConfig &,
+                             object::COFFObjectFile &In, raw_ostream &Out);
+
+} // end namespace coff
+} // end namespace objcopy
+} // end namespace llvm
+
+#endif // LLVM_TOOLS_OBJCOPY_COFFOBJCOPY_H
diff --git a/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Object.cpp b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Object.cpp
new file mode 100644
index 0000000000..ec2628c7ec
--- /dev/null
+++ b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Object.cpp
@@ -0,0 +1,132 @@
+//===- Object.cpp ---------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "Object.h"
+#include "llvm/ADT/DenseSet.h"
+#include <algorithm>
+
+namespace llvm {
+namespace objcopy {
+namespace coff {
+
+using namespace object;
+
+void Object::addSymbols(ArrayRef<Symbol> NewSymbols) {
+  for (Symbol S : NewSymbols) {
+    S.UniqueId = NextSymbolUniqueId++;
+    Symbols.emplace_back(S);
+  }
+  updateSymbols();
+}
+
+void Object::updateSymbols() {
+  SymbolMap = DenseMap<size_t, Symbol *>(Symbols.size());
+  for (Symbol &Sym : Symbols)
+    SymbolMap[Sym.UniqueId] = &Sym;
+}
+
+const Symbol *Object::findSymbol(size_t UniqueId) const {
+  return SymbolMap.lookup(UniqueId);
+}
+
+Error Object::removeSymbols(
+    function_ref<Expected<bool>(const Symbol &)> ToRemove) {
+  Error Errs = Error::success();
+  llvm::erase_if(Symbols, [ToRemove, &Errs](const Symbol &Sym) {
+    Expected<bool> ShouldRemove = ToRemove(Sym);
+    if (!ShouldRemove) {
+      Errs = joinErrors(std::move(Errs), ShouldRemove.takeError());
+      return false;
+    }
+    return *ShouldRemove;
+  });
+
+  updateSymbols();
+  return Errs;
+}
+
+Error Object::markSymbols() {
+  for (Symbol &Sym : Symbols)
+    Sym.Referenced = false;
+  for (const Section &Sec : Sections) {
+    for (const Relocation &R : Sec.Relocs) {
+      auto It = SymbolMap.find(R.Target);
+      if (It == SymbolMap.end())
+        return createStringError(object_error::invalid_symbol_index,
+                                 "relocation target %zu not found", R.Target);
+      It->second->Referenced = true;
+    }
+  }
+  return Error::success();
+}
+
+void Object::addSections(ArrayRef<Section> NewSections) {
+  for (Section S : NewSections) {
+    S.UniqueId = NextSectionUniqueId++;
+    Sections.emplace_back(S);
+  }
+  updateSections();
+}
+
+void Object::updateSections() {
+  SectionMap = DenseMap<ssize_t, Section *>(Sections.size());
+  size_t Index = 1;
+  for (Section &S : Sections) {
+    SectionMap[S.UniqueId] = &S;
+    S.Index = Index++;
+  }
+}
+
+const Section *Object::findSection(ssize_t UniqueId) const {
+  return SectionMap.lookup(UniqueId);
+}
+
+void Object::removeSections(function_ref<bool(const Section &)> ToRemove) {
+  DenseSet<ssize_t> AssociatedSections;
+  auto RemoveAssociated = [&AssociatedSections](const Section &Sec) {
+    return AssociatedSections.contains(Sec.UniqueId);
+  };
+  do {
+    DenseSet<ssize_t> RemovedSections;
+    llvm::erase_if(Sections, [ToRemove, &RemovedSections](const Section &Sec) {
+      bool Remove = ToRemove(Sec);
+      if (Remove)
+        RemovedSections.insert(Sec.UniqueId);
+      return Remove;
+    });
+    // Remove all symbols referring to the removed sections.
+    AssociatedSections.clear();
+    llvm::erase_if(
+        Symbols, [&RemovedSections, &AssociatedSections](const Symbol &Sym) {
+          // If there are sections that are associative to a removed
+          // section,
+          // remove those as well as nothing will include them (and we can't
+          // leave them dangling).
+          if (RemovedSections.contains(Sym.AssociativeComdatTargetSectionId))
+            AssociatedSections.insert(Sym.TargetSectionId);
+          return RemovedSections.contains(Sym.TargetSectionId);
+        });
+    ToRemove = RemoveAssociated;
+  } while (!AssociatedSections.empty());
+  updateSections();
+  updateSymbols();
+}
+
+void Object::truncateSections(function_ref<bool(const Section &)> ToTruncate) {
+  for (Section &Sec : Sections) {
+    if (ToTruncate(Sec)) {
+      Sec.clearContents();
+      Sec.Relocs.clear();
+      Sec.Header.SizeOfRawData = 0;
+    }
+  }
+}
+
+} // end namespace coff
+} // end namespace objcopy
+} // end namespace llvm
diff --git a/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Object.h b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Object.h
new file mode 100644
index 0000000000..0e854b58cb
--- /dev/null
+++ b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Object.h
@@ -0,0 +1,211 @@
+//===- Object.h -------------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLS_OBJCOPY_COFF_OBJECT_H
+#define LLVM_TOOLS_OBJCOPY_COFF_OBJECT_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/iterator_range.h"
+#include "llvm/BinaryFormat/COFF.h"
+#include "llvm/Object/COFF.h"
+#include <cstddef>
+#include <cstdint>
+#include <vector>
+
+namespace llvm {
+namespace objcopy {
+namespace coff {
+
+struct Relocation {
+  Relocation() = default;
+  Relocation(const object::coff_relocation &R) : Reloc(R) {}
+
+  object::coff_relocation Reloc;
+  size_t Target = 0;
+  StringRef TargetName; // Used for diagnostics only
+};
+
+struct Section {
+  object::coff_section Header;
+  std::vector<Relocation> Relocs;
+  StringRef Name;
+  ssize_t UniqueId;
+  size_t Index;
+
+  ArrayRef<uint8_t> getContents() const {
+    if (!OwnedContents.empty())
+      return OwnedContents;
+    return ContentsRef;
+  }
+
+  void setContentsRef(ArrayRef<uint8_t> Data) {
+    OwnedContents.clear();
+    ContentsRef = Data;
+  }
+
+  void setOwnedContents(std::vector<uint8_t> &&Data) {
+    ContentsRef = ArrayRef<uint8_t>();
+    OwnedContents = std::move(Data);
+  }
+
+  void clearContents() {
+    ContentsRef = ArrayRef<uint8_t>();
+    OwnedContents.clear();
+  }
+
+private:
+  ArrayRef<uint8_t> ContentsRef;
+  std::vector<uint8_t> OwnedContents;
+};
+
+struct AuxSymbol {
+  AuxSymbol(ArrayRef<uint8_t> In) {
+    assert(In.size() == sizeof(Opaque));
+    std::copy(In.begin(), In.end(), Opaque);
+  }
+
+  ArrayRef<uint8_t> getRef() const {
+    return ArrayRef<uint8_t>(Opaque, sizeof(Opaque));
+  }
+
+  uint8_t Opaque[sizeof(object::coff_symbol16)];
+};
+
+struct Symbol {
+  object::coff_symbol32 Sym;
+  StringRef Name;
+  std::vector<AuxSymbol> AuxData;
+  StringRef AuxFile;
+  ssize_t TargetSectionId;
+  ssize_t AssociativeComdatTargetSectionId = 0;
+  Optional<size_t> WeakTargetSymbolId;
+  size_t UniqueId;
+  size_t RawIndex;
+  bool Referenced;
+};
+
+struct Object {
+  bool IsPE = false;
+
+  object::dos_header DosHeader;
+  ArrayRef<uint8_t> DosStub;
+
+  object::coff_file_header CoffFileHeader;
+
+  bool Is64 = false;
+  object::pe32plus_header PeHeader;
+  uint32_t BaseOfData = 0; // pe32plus_header lacks this field.
+
+  std::vector<object::data_directory> DataDirectories;
+
+  ArrayRef<Symbol> getSymbols() const { return Symbols; }
+  // This allows mutating individual Symbols, but not mutating the list
+  // of symbols itself.
+  iterator_range<std::vector<Symbol>::iterator> getMutableSymbols() {
+    return make_range(Symbols.begin(), Symbols.end());
+  }
+
+  const Symbol *findSymbol(size_t UniqueId) const;
+
+  void addSymbols(ArrayRef<Symbol> NewSymbols);
+  Error removeSymbols(function_ref<Expected<bool>(const Symbol &)> ToRemove);
+
+  // Set the Referenced field on all Symbols, based on relocations in
+  // all sections.
+  Error markSymbols();
+
+  ArrayRef<Section> getSections() const { return Sections; }
+  // This allows mutating individual Sections, but not mutating the list
+  // of sections itself.
+  iterator_range<std::vector<Section>::iterator> getMutableSections() {
+    return make_range(Sections.begin(), Sections.end());
+  }
+
+  const Section *findSection(ssize_t UniqueId) const;
+
+  void addSections(ArrayRef<Section> NewSections);
+  void removeSections(function_ref<bool(const Section &)> ToRemove);
+  void truncateSections(function_ref<bool(const Section &)> ToTruncate);
+
+private:
+  std::vector<Symbol> Symbols;
+  DenseMap<size_t, Symbol *> SymbolMap;
+
+  size_t NextSymbolUniqueId = 0;
+
+  std::vector<Section> Sections;
+  DenseMap<ssize_t, Section *> SectionMap;
+
+  ssize_t NextSectionUniqueId = 1; // Allow a UniqueId 0 to mean undefined.
+
+  // Update SymbolMap.
+  void updateSymbols();
+
+  // Update SectionMap and Index in each Section.
+  void updateSections();
+};
+
+// Copy between coff_symbol16 and coff_symbol32.
+// The source and destination files can use either coff_symbol16 or
+// coff_symbol32, while we always store them as coff_symbol32 in the
+// intermediate data structure.
+template <class Symbol1Ty, class Symbol2Ty>
+void copySymbol(Symbol1Ty &Dest, const Symbol2Ty &Src) {
+  static_assert(sizeof(Dest.Name.ShortName) == sizeof(Src.Name.ShortName),
+                "Mismatched name sizes");
+  memcpy(Dest.Name.ShortName, Src.Name.ShortName, sizeof(Dest.Name.ShortName));
+  Dest.Value = Src.Value;
+  Dest.SectionNumber = Src.SectionNumber;
+  Dest.Type = Src.Type;
+  Dest.StorageClass = Src.StorageClass;
+  Dest.NumberOfAuxSymbols = Src.NumberOfAuxSymbols;
+}
+
+// Copy between pe32_header and pe32plus_header.
+// We store the intermediate state in a pe32plus_header.
+template <class PeHeader1Ty, class PeHeader2Ty>
+void copyPeHeader(PeHeader1Ty &Dest, const PeHeader2Ty &Src) {
+  Dest.Magic = Src.Magic;
+  Dest.MajorLinkerVersion = Src.MajorLinkerVersion;
+  Dest.MinorLinkerVersion = Src.MinorLinkerVersion;
+  Dest.SizeOfCode = Src.SizeOfCode;
+  Dest.SizeOfInitializedData = Src.SizeOfInitializedData;
+  Dest.SizeOfUninitializedData = Src.SizeOfUninitializedData;
+  Dest.AddressOfEntryPoint = Src.AddressOfEntryPoint;
+  Dest.BaseOfCode = Src.BaseOfCode;
+  Dest.ImageBase = Src.ImageBase;
+  Dest.SectionAlignment = Src.SectionAlignment;
+  Dest.FileAlignment = Src.FileAlignment;
+  Dest.MajorOperatingSystemVersion = Src.MajorOperatingSystemVersion;
+  Dest.MinorOperatingSystemVersion = Src.MinorOperatingSystemVersion;
+  Dest.MajorImageVersion = Src.MajorImageVersion;
+  Dest.MinorImageVersion = Src.MinorImageVersion;
+  Dest.MajorSubsystemVersion = Src.MajorSubsystemVersion;
+  Dest.MinorSubsystemVersion = Src.MinorSubsystemVersion;
+  Dest.Win32VersionValue = Src.Win32VersionValue;
+  Dest.SizeOfImage = Src.SizeOfImage;
+  Dest.SizeOfHeaders = Src.SizeOfHeaders;
+  Dest.CheckSum = Src.CheckSum;
+  Dest.Subsystem = Src.Subsystem;
+  Dest.DLLCharacteristics = Src.DLLCharacteristics;
+  Dest.SizeOfStackReserve = Src.SizeOfStackReserve;
+  Dest.SizeOfStackCommit = Src.SizeOfStackCommit;
+  Dest.SizeOfHeapReserve = Src.SizeOfHeapReserve;
+  Dest.SizeOfHeapCommit = Src.SizeOfHeapCommit;
+  Dest.LoaderFlags = Src.LoaderFlags;
+  Dest.NumberOfRvaAndSize = Src.NumberOfRvaAndSize;
+}
+
+} // end namespace coff
+} // end namespace objcopy
+} // end namespace llvm
+
+#endif // LLVM_TOOLS_OBJCOPY_COFF_OBJECT_H
diff --git a/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Reader.cpp b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Reader.cpp
new file mode 100644
index 0000000000..d1beacb3bd
--- /dev/null
+++ b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Reader.cpp
@@ -0,0 +1,226 @@
+//===- Reader.cpp ---------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "Reader.h"
+#include "Object.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/BinaryFormat/COFF.h"
+#include "llvm/Object/COFF.h"
+#include "llvm/Support/ErrorHandling.h"
+#include <cstddef>
+#include <cstdint>
+
+namespace llvm {
+namespace objcopy {
+namespace coff {
+
+using namespace object;
+using namespace COFF;
+
+Error COFFReader::readExecutableHeaders(Object &Obj) const {
+  const dos_header *DH = COFFObj.getDOSHeader();
+  Obj.Is64 = COFFObj.is64();
+  if (!DH)
+    return Error::success();
+
+  Obj.IsPE = true;
+  Obj.DosHeader = *DH;
+  if (DH->AddressOfNewExeHeader > sizeof(*DH))
+    Obj.DosStub = ArrayRef<uint8_t>(reinterpret_cast<const uint8_t *>(&DH[1]),
+                                    DH->AddressOfNewExeHeader - sizeof(*DH));
+
+  if (COFFObj.is64()) {
+    Obj.PeHeader = *COFFObj.getPE32PlusHeader();
+  } else {
+    const pe32_header *PE32 = COFFObj.getPE32Header();
+    copyPeHeader(Obj.PeHeader, *PE32);
+    // The pe32plus_header (stored in Object) lacks the BaseOfData field.
+    Obj.BaseOfData = PE32->BaseOfData;
+  }
+
+  for (size_t I = 0; I < Obj.PeHeader.NumberOfRvaAndSize; I++) {
+    const data_directory *Dir = COFFObj.getDataDirectory(I);
+    if (!Dir)
+      return errorCodeToError(object_error::parse_failed);
+    Obj.DataDirectories.emplace_back(*Dir);
+  }
+  return Error::success();
+}
+
+Error COFFReader::readSections(Object &Obj) const {
+  std::vector<Section> Sections;
+  // Section indexing starts from 1.
+  for (size_t I = 1, E = COFFObj.getNumberOfSections(); I <= E; I++) {
+    Expected<const coff_section *> SecOrErr = COFFObj.getSection(I);
+    if (!SecOrErr)
+      return SecOrErr.takeError();
+    const coff_section *Sec = *SecOrErr;
+    Sections.push_back(Section());
+    Section &S = Sections.back();
+    S.Header = *Sec;
+    S.Header.Characteristics &= ~COFF::IMAGE_SCN_LNK_NRELOC_OVFL;
+    ArrayRef<uint8_t> Contents;
+    if (Error E = COFFObj.getSectionContents(Sec, Contents))
+      return E;
+    S.setContentsRef(Contents);
+    ArrayRef<coff_relocation> Relocs = COFFObj.getRelocations(Sec);
+    for (const coff_relocation &R : Relocs)
+      S.Relocs.push_back(R);
+    if (Expected<StringRef> NameOrErr = COFFObj.getSectionName(Sec))
+      S.Name = *NameOrErr;
+    else
+      return NameOrErr.takeError();
+  }
+  Obj.addSections(Sections);
+  return Error::success();
+}
+
+Error COFFReader::readSymbols(Object &Obj, bool IsBigObj) const {
+  std::vector<Symbol> Symbols;
+  Symbols.reserve(COFFObj.getRawNumberOfSymbols());
+  ArrayRef<Section> Sections = Obj.getSections();
+  for (uint32_t I = 0, E = COFFObj.getRawNumberOfSymbols(); I < E;) {
+    Expected<COFFSymbolRef> SymOrErr = COFFObj.getSymbol(I);
+    if (!SymOrErr)
+      return SymOrErr.takeError();
+    COFFSymbolRef SymRef = *SymOrErr;
+
+    Symbols.push_back(Symbol());
+    Symbol &Sym = Symbols.back();
+    // Copy symbols from the original form into an intermediate coff_symbol32.
+    if (IsBigObj)
+      copySymbol(Sym.Sym,
+                 *reinterpret_cast<const coff_symbol32 *>(SymRef.getRawPtr()));
+    else
+      copySymbol(Sym.Sym,
+                 *reinterpret_cast<const coff_symbol16 *>(SymRef.getRawPtr()));
+    auto NameOrErr = COFFObj.getSymbolName(SymRef);
+    if (!NameOrErr)
+      return NameOrErr.takeError();
+    Sym.Name = *NameOrErr;
+
+    ArrayRef<uint8_t> AuxData = COFFObj.getSymbolAuxData(SymRef);
+    size_t SymSize = IsBigObj ? sizeof(coff_symbol32) : sizeof(coff_symbol16);
+    assert(AuxData.size() == SymSize * SymRef.getNumberOfAuxSymbols());
+    // The auxillary symbols are structs of sizeof(coff_symbol16) each.
+    // In the big object format (where symbols are coff_symbol32), each
+    // auxillary symbol is padded with 2 bytes at the end. Copy each
+    // auxillary symbol to the Sym.AuxData vector. For file symbols,
+    // the whole range of aux symbols are interpreted as one null padded
+    // string instead.
+    if (SymRef.isFileRecord())
+      Sym.AuxFile = StringRef(reinterpret_cast<const char *>(AuxData.data()),
+                              AuxData.size())
+                        .rtrim('\0');
+    else
+      for (size_t I = 0; I < SymRef.getNumberOfAuxSymbols(); I++)
+        Sym.AuxData.push_back(AuxData.slice(I * SymSize, sizeof(AuxSymbol)));
+
+    // Find the unique id of the section
+    if (SymRef.getSectionNumber() <=
+        0) // Special symbol (undefined/absolute/debug)
+      Sym.TargetSectionId = SymRef.getSectionNumber();
+    else if (static_cast<uint32_t>(SymRef.getSectionNumber() - 1) <
+             Sections.size())
+      Sym.TargetSectionId = Sections[SymRef.getSectionNumber() - 1].UniqueId;
+    else
+      return createStringError(object_error::parse_failed,
+                               "section number out of range");
+    // For section definitions, check if it is comdat associative, and if
+    // it is, find the target section unique id.
+    const coff_aux_section_definition *SD = SymRef.getSectionDefinition();
+    const coff_aux_weak_external *WE = SymRef.getWeakExternal();
+    if (SD && SD->Selection == IMAGE_COMDAT_SELECT_ASSOCIATIVE) {
+      int32_t Index = SD->getNumber(IsBigObj);
+      if (Index <= 0 || static_cast<uint32_t>(Index - 1) >= Sections.size())
+        return createStringError(object_error::parse_failed,
+                                 "unexpected associative section index");
+      Sym.AssociativeComdatTargetSectionId = Sections[Index - 1].UniqueId;
+    } else if (WE) {
+      // This is a raw symbol index for now, but store it in the Symbol
+      // until we've added them to the Object, which assigns the final
+      // unique ids.
+      Sym.WeakTargetSymbolId = WE->TagIndex;
+    }
+    I += 1 + SymRef.getNumberOfAuxSymbols();
+  }
+  Obj.addSymbols(Symbols);
+  return Error::success();
+}
+
+Error COFFReader::setSymbolTargets(Object &Obj) const {
+  std::vector<const Symbol *> RawSymbolTable;
+  for (const Symbol &Sym : Obj.getSymbols()) {
+    RawSymbolTable.push_back(&Sym);
+    for (size_t I = 0; I < Sym.Sym.NumberOfAuxSymbols; I++)
+      RawSymbolTable.push_back(nullptr);
+  }
+  for (Symbol &Sym : Obj.getMutableSymbols()) {
+    // Convert WeakTargetSymbolId from the original raw symbol index to
+    // a proper unique id.
+    if (Sym.WeakTargetSymbolId) {
+      if (*Sym.WeakTargetSymbolId >= RawSymbolTable.size())
+        return createStringError(object_error::parse_failed,
+                                 "weak external reference out of range");
+      const Symbol *Target = RawSymbolTable[*Sym.WeakTargetSymbolId];
+      if (Target == nullptr)
+        return createStringError(object_error::parse_failed,
+                                 "invalid SymbolTableIndex");
+      Sym.WeakTargetSymbolId = Target->UniqueId;
+    }
+  }
+  for (Section &Sec : Obj.getMutableSections()) {
+    for (Relocation &R : Sec.Relocs) {
+      if (R.Reloc.SymbolTableIndex >= RawSymbolTable.size())
+        return createStringError(object_error::parse_failed,
+                                 "SymbolTableIndex out of range");
+      const Symbol *Sym = RawSymbolTable[R.Reloc.SymbolTableIndex];
+      if (Sym == nullptr)
+        return createStringError(object_error::parse_failed,
+                                 "invalid SymbolTableIndex");
+      R.Target = Sym->UniqueId;
+      R.TargetName = Sym->Name;
+    }
+  }
+  return Error::success();
+}
+
+Expected<std::unique_ptr<Object>> COFFReader::create() const {
+  auto Obj = std::make_unique<Object>();
+
+  bool IsBigObj = false;
+  if (const coff_file_header *CFH = COFFObj.getCOFFHeader()) {
+    Obj->CoffFileHeader = *CFH;
+  } else {
+    const coff_bigobj_file_header *CBFH = COFFObj.getCOFFBigObjHeader();
+    if (!CBFH)
+      return createStringError(object_error::parse_failed,
+                               "no COFF file header returned");
+    // Only copying the few fields from the bigobj header that we need
+    // and won't recreate in the end.
+    Obj->CoffFileHeader.Machine = CBFH->Machine;
+    Obj->CoffFileHeader.TimeDateStamp = CBFH->TimeDateStamp;
+    IsBigObj = true;
+  }
+
+  if (Error E = readExecutableHeaders(*Obj))
+    return std::move(E);
+  if (Error E = readSections(*Obj))
+    return std::move(E);
+  if (Error E = readSymbols(*Obj, IsBigObj))
+    return std::move(E);
+  if (Error E = setSymbolTargets(*Obj))
+    return std::move(E);
+
+  return std::move(Obj);
+}
+
+} // end namespace coff
+} // end namespace objcopy
+} // end namespace llvm
diff --git a/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Reader.h b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Reader.h
new file mode 100644
index 0000000000..48c050b6ea
--- /dev/null
+++ b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Reader.h
@@ -0,0 +1,41 @@
+//===- Reader.h -------------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLS_OBJCOPY_COFF_READER_H
+#define LLVM_TOOLS_OBJCOPY_COFF_READER_H
+
+#include "llvm/BinaryFormat/COFF.h"
+#include "llvm/Object/COFF.h"
+#include "llvm/Support/Error.h"
+
+namespace llvm {
+namespace objcopy {
+namespace coff {
+
+struct Object;
+
+using object::COFFObjectFile;
+
+class COFFReader {
+  const COFFObjectFile &COFFObj;
+
+  Error readExecutableHeaders(Object &Obj) const;
+  Error readSections(Object &Obj) const;
+  Error readSymbols(Object &Obj, bool IsBigObj) const;
+  Error setSymbolTargets(Object &Obj) const;
+
+public:
+  explicit COFFReader(const COFFObjectFile &O) : COFFObj(O) {}
+  Expected<std::unique_ptr<Object>> create() const;
+};
+
+} // end namespace coff
+} // end namespace objcopy
+} // end namespace llvm
+
+#endif // LLVM_TOOLS_OBJCOPY_COFF_READER_H
diff --git a/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Writer.cpp b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Writer.cpp
new file mode 100644
index 0000000000..fcbfef96d8
--- /dev/null
+++ b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Writer.cpp
@@ -0,0 +1,466 @@
+//===- Writer.cpp ---------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "Writer.h"
+#include "Object.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/BinaryFormat/COFF.h"
+#include "llvm/Object/COFF.h"
+#include "llvm/Support/Errc.h"
+#include "llvm/Support/ErrorHandling.h"
+#include <cstddef>
+#include <cstdint>
+
+namespace llvm {
+namespace objcopy {
+namespace coff {
+
+using namespace object;
+using namespace COFF;
+
+Error COFFWriter::finalizeRelocTargets() {
+  for (Section &Sec : Obj.getMutableSections()) {
+    for (Relocation &R : Sec.Relocs) {
+      const Symbol *Sym = Obj.findSymbol(R.Target);
+      if (Sym == nullptr)
+        return createStringError(object_error::invalid_symbol_index,
+                                 "relocation target '%s' (%zu) not found",
+                                 R.TargetName.str().c_str(), R.Target);
+      R.Reloc.SymbolTableIndex = Sym->RawIndex;
+    }
+  }
+  return Error::success();
+}
+
+Error COFFWriter::finalizeSymbolContents() {
+  for (Symbol &Sym : Obj.getMutableSymbols()) {
+    if (Sym.TargetSectionId <= 0) {
+      // Undefined, or a special kind of symbol. These negative values
+      // are stored in the SectionNumber field which is unsigned.
+      Sym.Sym.SectionNumber = static_cast<uint32_t>(Sym.TargetSectionId);
+    } else {
+      const Section *Sec = Obj.findSection(Sym.TargetSectionId);
+      if (Sec == nullptr)
+        return createStringError(object_error::invalid_symbol_index,
+                                 "symbol '%s' points to a removed section",
+                                 Sym.Name.str().c_str());
+      Sym.Sym.SectionNumber = Sec->Index;
+
+      if (Sym.Sym.NumberOfAuxSymbols == 1 &&
+          Sym.Sym.StorageClass == IMAGE_SYM_CLASS_STATIC) {
+        coff_aux_section_definition *SD =
+            reinterpret_cast<coff_aux_section_definition *>(
+                Sym.AuxData[0].Opaque);
+        uint32_t SDSectionNumber;
+        if (Sym.AssociativeComdatTargetSectionId == 0) {
+          // Not a comdat associative section; just set the Number field to
+          // the number of the section itself.
+          SDSectionNumber = Sec->Index;
+        } else {
+          Sec = Obj.findSection(Sym.AssociativeComdatTargetSectionId);
+          if (Sec == nullptr)
+            return createStringError(
+                object_error::invalid_symbol_index,
+                "symbol '%s' is associative to a removed section",
+                Sym.Name.str().c_str());
+          SDSectionNumber = Sec->Index;
+        }
+        // Update the section definition with the new section number.
+        SD->NumberLowPart = static_cast<uint16_t>(SDSectionNumber);
+        SD->NumberHighPart = static_cast<uint16_t>(SDSectionNumber >> 16);
+      }
+    }
+    // Check that we actually have got AuxData to match the weak symbol target
+    // we want to set. Only >= 1 would be required, but only == 1 makes sense.
+    if (Sym.WeakTargetSymbolId && Sym.Sym.NumberOfAuxSymbols == 1) {
+      coff_aux_weak_external *WE =
+          reinterpret_cast<coff_aux_weak_external *>(Sym.AuxData[0].Opaque);
+      const Symbol *Target = Obj.findSymbol(*Sym.WeakTargetSymbolId);
+      if (Target == nullptr)
+        return createStringError(object_error::invalid_symbol_index,
+                                 "symbol '%s' is missing its weak target",
+                                 Sym.Name.str().c_str());
+      WE->TagIndex = Target->RawIndex;
+    }
+  }
+  return Error::success();
+}
+
+void COFFWriter::layoutSections() {
+  for (auto &S : Obj.getMutableSections()) {
+    if (S.Header.SizeOfRawData > 0)
+      S.Header.PointerToRawData = FileSize;
+    FileSize += S.Header.SizeOfRawData; // For executables, this is already
+                                        // aligned to FileAlignment.
+    if (S.Relocs.size() >= 0xffff) {
+      S.Header.Characteristics |= COFF::IMAGE_SCN_LNK_NRELOC_OVFL;
+      S.Header.NumberOfRelocations = 0xffff;
+      S.Header.PointerToRelocations = FileSize;
+      FileSize += sizeof(coff_relocation);
+    } else {
+      S.Header.NumberOfRelocations = S.Relocs.size();
+      S.Header.PointerToRelocations = S.Relocs.size() ? FileSize : 0;
+    }
+
+    FileSize += S.Relocs.size() * sizeof(coff_relocation);
+    FileSize = alignTo(FileSize, FileAlignment);
+
+    if (S.Header.Characteristics & IMAGE_SCN_CNT_INITIALIZED_DATA)
+      SizeOfInitializedData += S.Header.SizeOfRawData;
+  }
+}
+
+Expected<size_t> COFFWriter::finalizeStringTable() {
+  for (const auto &S : Obj.getSections())
+    if (S.Name.size() > COFF::NameSize)
+      StrTabBuilder.add(S.Name);
+
+  for (const auto &S : Obj.getSymbols())
+    if (S.Name.size() > COFF::NameSize)
+      StrTabBuilder.add(S.Name);
+
+  StrTabBuilder.finalize();
+
+  for (auto &S : Obj.getMutableSections()) {
+    memset(S.Header.Name, 0, sizeof(S.Header.Name));
+    if (S.Name.size() <= COFF::NameSize) {
+      // Short names can go in the field directly.
+      memcpy(S.Header.Name, S.Name.data(), S.Name.size());
+    } else {
+      // Offset of the section name in the string table.
+      size_t Offset = StrTabBuilder.getOffset(S.Name);
+      if (!COFF::encodeSectionName(S.Header.Name, Offset))
+        return createStringError(object_error::invalid_section_index,
+                                 "COFF string table is greater than 64GB, "
+                                 "unable to encode section name offset");
+    }
+  }
+  for (auto &S : Obj.getMutableSymbols()) {
+    if (S.Name.size() > COFF::NameSize) {
+      S.Sym.Name.Offset.Zeroes = 0;
+      S.Sym.Name.Offset.Offset = StrTabBuilder.getOffset(S.Name);
+    } else {
+      strncpy(S.Sym.Name.ShortName, S.Name.data(), COFF::NameSize);
+    }
+  }
+  return StrTabBuilder.getSize();
+}
+
+template <class SymbolTy>
+std::pair<size_t, size_t> COFFWriter::finalizeSymbolTable() {
+  size_t RawSymIndex = 0;
+  for (auto &S : Obj.getMutableSymbols()) {
+    // Symbols normally have NumberOfAuxSymbols set correctly all the time.
+    // For file symbols, we need to know the output file's symbol size to be
+    // able to calculate the number of slots it occupies.
+    if (!S.AuxFile.empty())
+      S.Sym.NumberOfAuxSymbols =
+          alignTo(S.AuxFile.size(), sizeof(SymbolTy)) / sizeof(SymbolTy);
+    S.RawIndex = RawSymIndex;
+    RawSymIndex += 1 + S.Sym.NumberOfAuxSymbols;
+  }
+  return std::make_pair(RawSymIndex * sizeof(SymbolTy), sizeof(SymbolTy));
+}
+
+Error COFFWriter::finalize(bool IsBigObj) {
+  size_t SymTabSize, SymbolSize;
+  std::tie(SymTabSize, SymbolSize) = IsBigObj
+                                         ? finalizeSymbolTable<coff_symbol32>()
+                                         : finalizeSymbolTable<coff_symbol16>();
+
+  if (Error E = finalizeRelocTargets())
+    return E;
+  if (Error E = finalizeSymbolContents())
+    return E;
+
+  size_t SizeOfHeaders = 0;
+  FileAlignment = 1;
+  size_t PeHeaderSize = 0;
+  if (Obj.IsPE) {
+    Obj.DosHeader.AddressOfNewExeHeader =
+        sizeof(Obj.DosHeader) + Obj.DosStub.size();
+    SizeOfHeaders += Obj.DosHeader.AddressOfNewExeHeader + sizeof(PEMagic);
+
+    FileAlignment = Obj.PeHeader.FileAlignment;
+    Obj.PeHeader.NumberOfRvaAndSize = Obj.DataDirectories.size();
+
+    PeHeaderSize = Obj.Is64 ? sizeof(pe32plus_header) : sizeof(pe32_header);
+    SizeOfHeaders +=
+        PeHeaderSize + sizeof(data_directory) * Obj.DataDirectories.size();
+  }
+  Obj.CoffFileHeader.NumberOfSections = Obj.getSections().size();
+  SizeOfHeaders +=
+      IsBigObj ? sizeof(coff_bigobj_file_header) : sizeof(coff_file_header);
+  SizeOfHeaders += sizeof(coff_section) * Obj.getSections().size();
+  SizeOfHeaders = alignTo(SizeOfHeaders, FileAlignment);
+
+  Obj.CoffFileHeader.SizeOfOptionalHeader =
+      PeHeaderSize + sizeof(data_directory) * Obj.DataDirectories.size();
+
+  FileSize = SizeOfHeaders;
+  SizeOfInitializedData = 0;
+
+  layoutSections();
+
+  if (Obj.IsPE) {
+    Obj.PeHeader.SizeOfHeaders = SizeOfHeaders;
+    Obj.PeHeader.SizeOfInitializedData = SizeOfInitializedData;
+
+    if (!Obj.getSections().empty()) {
+      const Section &S = Obj.getSections().back();
+      Obj.PeHeader.SizeOfImage =
+          alignTo(S.Header.VirtualAddress + S.Header.VirtualSize,
+                  Obj.PeHeader.SectionAlignment);
+    }
+
+    // If the PE header had a checksum, clear it, since it isn't valid
+    // any longer. (We don't calculate a new one.)
+    Obj.PeHeader.CheckSum = 0;
+  }
+
+  Expected<size_t> StrTabSizeOrErr = finalizeStringTable();
+  if (!StrTabSizeOrErr)
+    return StrTabSizeOrErr.takeError();
+
+  size_t StrTabSize = *StrTabSizeOrErr;
+
+  size_t PointerToSymbolTable = FileSize;
+  // StrTabSize <= 4 is the size of an empty string table, only consisting
+  // of the length field.
+  if (SymTabSize == 0 && StrTabSize <= 4 && Obj.IsPE) {
+    // For executables, don't point to the symbol table and skip writing
+    // the length field, if both the symbol and string tables are empty.
+    PointerToSymbolTable = 0;
+    StrTabSize = 0;
+  }
+
+  size_t NumRawSymbols = SymTabSize / SymbolSize;
+  Obj.CoffFileHeader.PointerToSymbolTable = PointerToSymbolTable;
+  Obj.CoffFileHeader.NumberOfSymbols = NumRawSymbols;
+  FileSize += SymTabSize + StrTabSize;
+  FileSize = alignTo(FileSize, FileAlignment);
+
+  return Error::success();
+}
+
+void COFFWriter::writeHeaders(bool IsBigObj) {
+  uint8_t *Ptr = reinterpret_cast<uint8_t *>(Buf->getBufferStart());
+  if (Obj.IsPE) {
+    memcpy(Ptr, &Obj.DosHeader, sizeof(Obj.DosHeader));
+    Ptr += sizeof(Obj.DosHeader);
+    memcpy(Ptr, Obj.DosStub.data(), Obj.DosStub.size());
+    Ptr += Obj.DosStub.size();
+    memcpy(Ptr, PEMagic, sizeof(PEMagic));
+    Ptr += sizeof(PEMagic);
+  }
+  if (!IsBigObj) {
+    memcpy(Ptr, &Obj.CoffFileHeader, sizeof(Obj.CoffFileHeader));
+    Ptr += sizeof(Obj.CoffFileHeader);
+  } else {
+    // Generate a coff_bigobj_file_header, filling it in with the values
+    // from Obj.CoffFileHeader. All extra fields that don't exist in
+    // coff_file_header can be set to hardcoded values.
+    coff_bigobj_file_header BigObjHeader;
+    BigObjHeader.Sig1 = IMAGE_FILE_MACHINE_UNKNOWN;
+    BigObjHeader.Sig2 = 0xffff;
+    BigObjHeader.Version = BigObjHeader::MinBigObjectVersion;
+    BigObjHeader.Machine = Obj.CoffFileHeader.Machine;
+    BigObjHeader.TimeDateStamp = Obj.CoffFileHeader.TimeDateStamp;
+    memcpy(BigObjHeader.UUID, BigObjMagic, sizeof(BigObjMagic));
+    BigObjHeader.unused1 = 0;
+    BigObjHeader.unused2 = 0;
+    BigObjHeader.unused3 = 0;
+    BigObjHeader.unused4 = 0;
+    // The value in Obj.CoffFileHeader.NumberOfSections is truncated, thus
+    // get the original one instead.
+    BigObjHeader.NumberOfSections = Obj.getSections().size();
+    BigObjHeader.PointerToSymbolTable = Obj.CoffFileHeader.PointerToSymbolTable;
+    BigObjHeader.NumberOfSymbols = Obj.CoffFileHeader.NumberOfSymbols;
+
+    memcpy(Ptr, &BigObjHeader, sizeof(BigObjHeader));
+    Ptr += sizeof(BigObjHeader);
+  }
+  if (Obj.IsPE) {
+    if (Obj.Is64) {
+      memcpy(Ptr, &Obj.PeHeader, sizeof(Obj.PeHeader));
+      Ptr += sizeof(Obj.PeHeader);
+    } else {
+      pe32_header PeHeader;
+      copyPeHeader(PeHeader, Obj.PeHeader);
+      // The pe32plus_header (stored in Object) lacks the BaseOfData field.
+      PeHeader.BaseOfData = Obj.BaseOfData;
+
+      memcpy(Ptr, &PeHeader, sizeof(PeHeader));
+      Ptr += sizeof(PeHeader);
+    }
+    for (const auto &DD : Obj.DataDirectories) {
+      memcpy(Ptr, &DD, sizeof(DD));
+      Ptr += sizeof(DD);
+    }
+  }
+  for (const auto &S : Obj.getSections()) {
+    memcpy(Ptr, &S.Header, sizeof(S.Header));
+    Ptr += sizeof(S.Header);
+  }
+}
+
+void COFFWriter::writeSections() {
+  for (const auto &S : Obj.getSections()) {
+    uint8_t *Ptr = reinterpret_cast<uint8_t *>(Buf->getBufferStart()) +
+                   S.Header.PointerToRawData;
+    ArrayRef<uint8_t> Contents = S.getContents();
+    std::copy(Contents.begin(), Contents.end(), Ptr);
+
+    // For executable sections, pad the remainder of the raw data size with
+    // 0xcc, which is int3 on x86.
+    if ((S.Header.Characteristics & IMAGE_SCN_CNT_CODE) &&
+        S.Header.SizeOfRawData > Contents.size())
+      memset(Ptr + Contents.size(), 0xcc,
+             S.Header.SizeOfRawData - Contents.size());
+
+    Ptr += S.Header.SizeOfRawData;
+
+    if (S.Relocs.size() >= 0xffff) {
+      object::coff_relocation R;
+      R.VirtualAddress = S.Relocs.size() + 1;
+      R.SymbolTableIndex = 0;
+      R.Type = 0;
+      memcpy(Ptr, &R, sizeof(R));
+      Ptr += sizeof(R);
+    }
+    for (const auto &R : S.Relocs) {
+      memcpy(Ptr, &R.Reloc, sizeof(R.Reloc));
+      Ptr += sizeof(R.Reloc);
+    }
+  }
+}
+
+template <class SymbolTy> void COFFWriter::writeSymbolStringTables() {
+  uint8_t *Ptr = reinterpret_cast<uint8_t *>(Buf->getBufferStart()) +
+                 Obj.CoffFileHeader.PointerToSymbolTable;
+  for (const auto &S : Obj.getSymbols()) {
+    // Convert symbols back to the right size, from coff_symbol32.
+    copySymbol<SymbolTy, coff_symbol32>(*reinterpret_cast<SymbolTy *>(Ptr),
+                                        S.Sym);
+    Ptr += sizeof(SymbolTy);
+    if (!S.AuxFile.empty()) {
+      // For file symbols, just write the string into the aux symbol slots,
+      // assuming that the unwritten parts are initialized to zero in the memory
+      // mapped file.
+      std::copy(S.AuxFile.begin(), S.AuxFile.end(), Ptr);
+      Ptr += S.Sym.NumberOfAuxSymbols * sizeof(SymbolTy);
+    } else {
+      // For other auxillary symbols, write their opaque payload into one symbol
+      // table slot each. For big object files, the symbols are larger than the
+      // opaque auxillary symbol struct and we leave padding at the end of each
+      // entry.
+      for (const AuxSymbol &AuxSym : S.AuxData) {
+        ArrayRef<uint8_t> Ref = AuxSym.getRef();
+        std::copy(Ref.begin(), Ref.end(), Ptr);
+        Ptr += sizeof(SymbolTy);
+      }
+    }
+  }
+  if (StrTabBuilder.getSize() > 4 || !Obj.IsPE) {
+    // Always write a string table in object files, even an empty one.
+    StrTabBuilder.write(Ptr);
+    Ptr += StrTabBuilder.getSize();
+  }
+}
+
+Error COFFWriter::write(bool IsBigObj) {
+  if (Error E = finalize(IsBigObj))
+    return E;
+
+  Buf = WritableMemoryBuffer::getNewMemBuffer(FileSize);
+  if (!Buf)
+    return createStringError(llvm::errc::not_enough_memory,
+                             "failed to allocate memory buffer of " +
+                                 Twine::utohexstr(FileSize) + " bytes.");
+
+  writeHeaders(IsBigObj);
+  writeSections();
+  if (IsBigObj)
+    writeSymbolStringTables<coff_symbol32>();
+  else
+    writeSymbolStringTables<coff_symbol16>();
+
+  if (Obj.IsPE)
+    if (Error E = patchDebugDirectory())
+      return E;
+
+  // TODO: Implement direct writing to the output stream (without intermediate
+  // memory buffer Buf).
+  Out.write(Buf->getBufferStart(), Buf->getBufferSize());
+  return Error::success();
+}
+
+Expected<uint32_t> COFFWriter::virtualAddressToFileAddress(uint32_t RVA) {
+  for (const auto &S : Obj.getSections()) {
+    if (RVA >= S.Header.VirtualAddress &&
+        RVA < S.Header.VirtualAddress + S.Header.SizeOfRawData)
+      return S.Header.PointerToRawData + RVA - S.Header.VirtualAddress;
+  }
+  return createStringError(object_error::parse_failed,
+                           "debug directory payload not found");
+}
+
+// Locate which sections contain the debug directories, iterate over all
+// the debug_directory structs in there, and set the PointerToRawData field
+// in all of them, according to their new physical location in the file.
+Error COFFWriter::patchDebugDirectory() {
+  if (Obj.DataDirectories.size() <= DEBUG_DIRECTORY)
+    return Error::success();
+  const data_directory *Dir = &Obj.DataDirectories[DEBUG_DIRECTORY];
+  if (Dir->Size <= 0)
+    return Error::success();
+  for (const auto &S : Obj.getSections()) {
+    if (Dir->RelativeVirtualAddress >= S.Header.VirtualAddress &&
+        Dir->RelativeVirtualAddress <
+            S.Header.VirtualAddress + S.Header.SizeOfRawData) {
+      if (Dir->RelativeVirtualAddress + Dir->Size >
+          S.Header.VirtualAddress + S.Header.SizeOfRawData)
+        return createStringError(object_error::parse_failed,
+                                 "debug directory extends past end of section");
+
+      size_t Offset = Dir->RelativeVirtualAddress - S.Header.VirtualAddress;
+      uint8_t *Ptr = reinterpret_cast<uint8_t *>(Buf->getBufferStart()) +
+                     S.Header.PointerToRawData + Offset;
+      uint8_t *End = Ptr + Dir->Size;
+      while (Ptr < End) {
+        debug_directory *Debug = reinterpret_cast<debug_directory *>(Ptr);
+        if (Debug->PointerToRawData) {
+          if (Expected<uint32_t> FilePosOrErr =
+                  virtualAddressToFileAddress(Debug->AddressOfRawData))
+            Debug->PointerToRawData = *FilePosOrErr;
+          else
+            return FilePosOrErr.takeError();
+        }
+        Ptr += sizeof(debug_directory);
+        Offset += sizeof(debug_directory);
+      }
+      // Debug directory found and patched, all done.
+      return Error::success();
+    }
+  }
+  return createStringError(object_error::parse_failed,
+                           "debug directory not found");
+}
+
+Error COFFWriter::write() {
+  bool IsBigObj = Obj.getSections().size() > MaxNumberOfSections16;
+  if (IsBigObj && Obj.IsPE)
+    return createStringError(object_error::parse_failed,
+                             "too many sections for executable");
+  return write(IsBigObj);
+}
+
+} // end namespace coff
+} // end namespace objcopy
+} // end namespace llvm
diff --git a/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Writer.h b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Writer.h
new file mode 100644
index 0000000000..5758aadb54
--- /dev/null
+++ b/contrib/libs/llvm14/tools/llvm-objcopy/COFF/Writer.h
@@ -0,0 +1,63 @@
+//===- Writer.h -------------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLS_OBJCOPY_COFF_WRITER_H
+#define LLVM_TOOLS_OBJCOPY_COFF_WRITER_H
+
+#include "llvm/MC/StringTableBuilder.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include <cstddef>
+#include <utility>
+
+namespace llvm {
+namespace objcopy {
+namespace coff {
+
+struct Object;
+
+class COFFWriter {
+  Object &Obj;
+  std::unique_ptr<WritableMemoryBuffer> Buf;
+  raw_ostream &Out;
+
+  size_t FileSize;
+  size_t FileAlignment;
+  size_t SizeOfInitializedData;
+  StringTableBuilder StrTabBuilder;
+
+  template <class SymbolTy> std::pair<size_t, size_t> finalizeSymbolTable();
+  Error finalizeRelocTargets();
+  Error finalizeSymbolContents();
+  void layoutSections();
+  Expected<size_t> finalizeStringTable();
+
+  Error finalize(bool IsBigObj);
+
+  void writeHeaders(bool IsBigObj);
+  void writeSections();
+  template <class SymbolTy> void writeSymbolStringTables();
+
+  Error write(bool IsBigObj);
+
+  Error patchDebugDirectory();
+  Expected<uint32_t> virtualAddressToFileAddress(uint32_t RVA);
+
+public:
+  virtual ~COFFWriter() {}
+  Error write();
+
+  COFFWriter(Object &Obj, raw_ostream &Out)
+      : Obj(Obj), Out(Out), StrTabBuilder(StringTableBuilder::WinCOFF) {}
+};
+
+} // end namespace coff
+} // end namespace objcopy
+} // end namespace llvm
+
+#endif // LLVM_TOOLS_OBJCOPY_COFF_WRITER_H