Intermediate changes

1 files changed, 0 insertions, 156 deletions

diff --git a/contrib/libs/libfuzzer/FuzzerMutate.h b/contrib/libs/libfuzzer/FuzzerMutate.h
deleted file mode 100644
index 97704e2160a..00000000000
--- a/contrib/libs/libfuzzer/FuzzerMutate.h
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@@ -1,156 +0,0 @@
-//===- FuzzerMutate.h - Internal header for the Fuzzer ----------*- 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
-//
-//===----------------------------------------------------------------------===//
-// fuzzer::MutationDispatcher
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_FUZZER_MUTATE_H
-#define LLVM_FUZZER_MUTATE_H
-
-#include "FuzzerDefs.h"
-#include "FuzzerDictionary.h"
-#include "FuzzerOptions.h"
-#include "FuzzerRandom.h"
-
-namespace fuzzer {
-
-class MutationDispatcher {
-public:
-  MutationDispatcher(Random &Rand, const FuzzingOptions &Options);
-  ~MutationDispatcher() {}
-  /// Indicate that we are about to start a new sequence of mutations.
-  void StartMutationSequence();
-  /// Print the current sequence of mutations. Only prints the full sequence
-  /// when Verbose is true.
-  void PrintMutationSequence(bool Verbose = true);
-  /// Return the current sequence of mutations.
-  std::string MutationSequence();
-  /// Indicate that the current sequence of mutations was successful.
-  void RecordSuccessfulMutationSequence();
-  /// Mutates data by invoking user-provided mutator.
-  size_t Mutate_Custom(uint8_t *Data, size_t Size, size_t MaxSize);
-  /// Mutates data by invoking user-provided crossover.
-  size_t Mutate_CustomCrossOver(uint8_t *Data, size_t Size, size_t MaxSize);
-  /// Mutates data by shuffling bytes.
-  size_t Mutate_ShuffleBytes(uint8_t *Data, size_t Size, size_t MaxSize);
-  /// Mutates data by erasing bytes.
-  size_t Mutate_EraseBytes(uint8_t *Data, size_t Size, size_t MaxSize);
-  /// Mutates data by inserting a byte.
-  size_t Mutate_InsertByte(uint8_t *Data, size_t Size, size_t MaxSize);
-  /// Mutates data by inserting several repeated bytes.
-  size_t Mutate_InsertRepeatedBytes(uint8_t *Data, size_t Size, size_t MaxSize);
-  /// Mutates data by changing one byte.
-  size_t Mutate_ChangeByte(uint8_t *Data, size_t Size, size_t MaxSize);
-  /// Mutates data by changing one bit.
-  size_t Mutate_ChangeBit(uint8_t *Data, size_t Size, size_t MaxSize);
-  /// Mutates data by copying/inserting a part of data into a different place.
-  size_t Mutate_CopyPart(uint8_t *Data, size_t Size, size_t MaxSize);
-
-  /// Mutates data by adding a word from the manual dictionary.
-  size_t Mutate_AddWordFromManualDictionary(uint8_t *Data, size_t Size,
-                                            size_t MaxSize);
-
-  /// Mutates data by adding a word from the TORC.
-  size_t Mutate_AddWordFromTORC(uint8_t *Data, size_t Size, size_t MaxSize);
-
-  /// Mutates data by adding a word from the persistent automatic dictionary.
-  size_t Mutate_AddWordFromPersistentAutoDictionary(uint8_t *Data, size_t Size,
-                                                    size_t MaxSize);
-
-  /// Tries to find an ASCII integer in Data, changes it to another ASCII int.
-  size_t Mutate_ChangeASCIIInteger(uint8_t *Data, size_t Size, size_t MaxSize);
-  /// Change a 1-, 2-, 4-, or 8-byte integer in interesting ways.
-  size_t Mutate_ChangeBinaryInteger(uint8_t *Data, size_t Size, size_t MaxSize);
-
-  /// CrossOver Data with CrossOverWith.
-  size_t Mutate_CrossOver(uint8_t *Data, size_t Size, size_t MaxSize);
-
-  /// Applies one of the configured mutations.
-  /// Returns the new size of data which could be up to MaxSize.
-  size_t Mutate(uint8_t *Data, size_t Size, size_t MaxSize);
-
-  /// Applies one of the configured mutations to the bytes of Data
-  /// that have '1' in Mask.
-  /// Mask.size() should be >= Size.
-  size_t MutateWithMask(uint8_t *Data, size_t Size, size_t MaxSize,
-                        const std::vector<uint8_t> &Mask);
-
-  /// Applies one of the default mutations. Provided as a service
-  /// to mutation authors.
-  size_t DefaultMutate(uint8_t *Data, size_t Size, size_t MaxSize);
-
-  /// Creates a cross-over of two pieces of Data, returns its size.
-  size_t CrossOver(const uint8_t *Data1, size_t Size1, const uint8_t *Data2,
-                   size_t Size2, uint8_t *Out, size_t MaxOutSize);
-
-  void AddWordToManualDictionary(const Word &W);
-
-  void PrintRecommendedDictionary();
-
-  void SetCrossOverWith(const Unit *U) { CrossOverWith = U; }
-
-  Random &GetRand() { return Rand; }
-
- private:
-  struct Mutator {
-    size_t (MutationDispatcher::*Fn)(uint8_t *Data, size_t Size, size_t Max);
-    const char *Name;
-  };
-
-  size_t AddWordFromDictionary(Dictionary &D, uint8_t *Data, size_t Size,
-                               size_t MaxSize);
-  size_t MutateImpl(uint8_t *Data, size_t Size, size_t MaxSize,
-                    std::vector<Mutator> &Mutators);
-
-  size_t InsertPartOf(const uint8_t *From, size_t FromSize, uint8_t *To,
-                      size_t ToSize, size_t MaxToSize);
-  size_t CopyPartOf(const uint8_t *From, size_t FromSize, uint8_t *To,
-                    size_t ToSize);
-  size_t ApplyDictionaryEntry(uint8_t *Data, size_t Size, size_t MaxSize,
-                              DictionaryEntry &DE);
-
-  template <class T>
-  DictionaryEntry MakeDictionaryEntryFromCMP(T Arg1, T Arg2,
-                                             const uint8_t *Data, size_t Size);
-  DictionaryEntry MakeDictionaryEntryFromCMP(const Word &Arg1, const Word &Arg2,
-                                             const uint8_t *Data, size_t Size);
-  DictionaryEntry MakeDictionaryEntryFromCMP(const void *Arg1, const void *Arg2,
-                                             const void *Arg1Mutation,
-                                             const void *Arg2Mutation,
-                                             size_t ArgSize,
-                                             const uint8_t *Data, size_t Size);
-
-  Random &Rand;
-  const FuzzingOptions Options;
-
-  // Dictionary provided by the user via -dict=DICT_FILE.
-  Dictionary ManualDictionary;
-  // Persistent dictionary modified by the fuzzer, consists of
-  // entries that led to successful discoveries in the past mutations.
-  Dictionary PersistentAutoDictionary;
-
-  std::vector<DictionaryEntry *> CurrentDictionaryEntrySequence;
-
-  static const size_t kCmpDictionaryEntriesDequeSize = 16;
-  DictionaryEntry CmpDictionaryEntriesDeque[kCmpDictionaryEntriesDequeSize];
-  size_t CmpDictionaryEntriesDequeIdx = 0;
-
-  const Unit *CrossOverWith = nullptr;
-  std::vector<uint8_t> MutateInPlaceHere;
-  std::vector<uint8_t> MutateWithMaskTemp;
-  // CustomCrossOver needs its own buffer as a custom implementation may call
-  // LLVMFuzzerMutate, which in turn may resize MutateInPlaceHere.
-  std::vector<uint8_t> CustomCrossOverInPlaceHere;
-
-  std::vector<Mutator> Mutators;
-  std::vector<Mutator> DefaultMutators;
-  std::vector<Mutator> CurrentMutatorSequence;
-};
-
-}  // namespace fuzzer
-
-#endif  // LLVM_FUZZER_MUTATE_H