1 files changed, 0 insertions, 137 deletions
diff --git a/contrib/llvm/lib/Object/Minidump.cpp b/contrib/llvm/lib/Object/Minidump.cpp
deleted file mode 100644
index 7b5b21558699..000000000000
--- a/contrib/llvm/lib/Object/Minidump.cpp
+++ /dev/null
@@ -1,137 +0,0 @@
-//===- Minidump.cpp - Minidump object file implementation -----------------===//
-//
-// 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 "llvm/Object/Minidump.h"
-#include "llvm/Object/Error.h"
-#include "llvm/Support/ConvertUTF.h"
-
-using namespace llvm;
-using namespace llvm::object;
-using namespace llvm::minidump;
-
-Optional<ArrayRef<uint8_t>>
-MinidumpFile::getRawStream(minidump::StreamType Type) const {
-  auto It = StreamMap.find(Type);
-  if (It != StreamMap.end())
-    return getRawStream(Streams[It->second]);
-  return None;
-}
-
-Expected<std::string> MinidumpFile::getString(size_t Offset) const {
-  // Minidump strings consist of a 32-bit length field, which gives the size of
-  // the string in *bytes*. This is followed by the actual string encoded in
-  // UTF16.
-  auto ExpectedSize =
-      getDataSliceAs<support::ulittle32_t>(getData(), Offset, 1);
-  if (!ExpectedSize)
-    return ExpectedSize.takeError();
-  size_t Size = (*ExpectedSize)[0];
-  if (Size % 2 != 0)
-    return createError("String size not even");
-  Size /= 2;
-  if (Size == 0)
-    return "";
-
-  Offset += sizeof(support::ulittle32_t);
-  auto ExpectedData =
-      getDataSliceAs<support::ulittle16_t>(getData(), Offset, Size);
-  if (!ExpectedData)
-    return ExpectedData.takeError();
-
-  SmallVector<UTF16, 32> WStr(Size);
-  copy(*ExpectedData, WStr.begin());
-
-  std::string Result;
-  if (!convertUTF16ToUTF8String(WStr, Result))
-    return createError("String decoding failed");
-
-  return Result;
-}
-
-template <typename T>
-Expected<ArrayRef<T>> MinidumpFile::getListStream(StreamType Stream) const {
-  auto OptionalStream = getRawStream(Stream);
-  if (!OptionalStream)
-    return createError("No such stream");
-  auto ExpectedSize =
-      getDataSliceAs<support::ulittle32_t>(*OptionalStream, 0, 1);
-  if (!ExpectedSize)
-    return ExpectedSize.takeError();
-
-  size_t ListSize = ExpectedSize.get()[0];
-
-  size_t ListOffset = 4;
-  // Some producers insert additional padding bytes to align the list to an
-  // 8-byte boundary. Check for that by comparing the list size with the overall
-  // stream size.
-  if (ListOffset + sizeof(T) * ListSize < OptionalStream->size())
-    ListOffset = 8;
-
-  return getDataSliceAs<T>(*OptionalStream, ListOffset, ListSize);
-}
-template Expected<ArrayRef<Module>>
-    MinidumpFile::getListStream(StreamType) const;
-template Expected<ArrayRef<Thread>>
-    MinidumpFile::getListStream(StreamType) const;
-template Expected<ArrayRef<MemoryDescriptor>>
-    MinidumpFile::getListStream(StreamType) const;
-
-Expected<ArrayRef<uint8_t>>
-MinidumpFile::getDataSlice(ArrayRef<uint8_t> Data, size_t Offset, size_t Size) {
-  // Check for overflow.
-  if (Offset + Size < Offset || Offset + Size < Size ||
-      Offset + Size > Data.size())
-    return createEOFError();
-  return Data.slice(Offset, Size);
-}
-
-Expected<std::unique_ptr<MinidumpFile>>
-MinidumpFile::create(MemoryBufferRef Source) {
-  ArrayRef<uint8_t> Data = arrayRefFromStringRef(Source.getBuffer());
-  auto ExpectedHeader = getDataSliceAs<minidump::Header>(Data, 0, 1);
-  if (!ExpectedHeader)
-    return ExpectedHeader.takeError();
-
-  const minidump::Header &Hdr = (*ExpectedHeader)[0];
-  if (Hdr.Signature != Header::MagicSignature)
-    return createError("Invalid signature");
-  if ((Hdr.Version & 0xffff) != Header::MagicVersion)
-    return createError("Invalid version");
-
-  auto ExpectedStreams = getDataSliceAs<Directory>(Data, Hdr.StreamDirectoryRVA,
-                                                   Hdr.NumberOfStreams);
-  if (!ExpectedStreams)
-    return ExpectedStreams.takeError();
-
-  DenseMap<StreamType, std::size_t> StreamMap;
-  for (const auto &Stream : llvm::enumerate(*ExpectedStreams)) {
-    StreamType Type = Stream.value().Type;
-    const LocationDescriptor &Loc = Stream.value().Location;
-
-    auto ExpectedStream = getDataSlice(Data, Loc.RVA, Loc.DataSize);
-    if (!ExpectedStream)
-      return ExpectedStream.takeError();
-
-    if (Type == StreamType::Unused && Loc.DataSize == 0) {
-      // Ignore dummy streams. This is technically ill-formed, but a number of
-      // existing minidumps seem to contain such streams.
-      continue;
-    }
-
-    if (Type == DenseMapInfo<StreamType>::getEmptyKey() ||
-        Type == DenseMapInfo<StreamType>::getTombstoneKey())
-      return createError("Cannot handle one of the minidump streams");
-
-    // Update the directory map, checking for duplicate stream types.
-    if (!StreamMap.try_emplace(Type, Stream.index()).second)
-      return createError("Duplicate stream type");
-  }
-
-  return std::unique_ptr<MinidumpFile>(
-      new MinidumpFile(Source, Hdr, *ExpectedStreams, std::move(StreamMap)));
-}