[libFuzzer] remove stale code, NFC

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@352604 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 35 deletions

diff --git a/lib/fuzzer/FuzzerLoop.cpp b/lib/fuzzer/FuzzerLoop.cpp
index affd6a417..0247b574d 100644
--- a/lib/fuzzer/FuzzerLoop.cpp
+++ b/lib/fuzzer/FuzzerLoop.cpp
@@ -13,7 +13,6 @@
 #include "FuzzerInternal.h"
 #include "FuzzerMutate.h"
 #include "FuzzerRandom.h"
-#include "FuzzerShmem.h"
 #include "FuzzerTracePC.h"
 #include <algorithm>
 #include <cstring>
@@ -40,8 +39,6 @@ static const size_t kMaxUnitSizeToPrint = 256;
 
 thread_local bool Fuzzer::IsMyThread;
 
-SharedMemoryRegion SMR;
-
 bool RunningUserCallback = false;
 
 // Only one Fuzzer per process.
@@ -510,8 +507,6 @@ void Fuzzer::ExecuteCallback(const uint8_t *Data, size_t Size) {
   TPC.RecordInitialStack();
   TotalNumberOfRuns++;
   assert(InFuzzingThread());
-  if (SMR.IsClient())
-    SMR.WriteByteArray(Data, Size);
   // We copy the contents of Unit into a separate heap buffer
   // so that we reliably find buffer overflows in it.
   uint8_t *DataCopy = new uint8_t[Size];
@@ -821,30 +816,6 @@ void Fuzzer::MinimizeCrashLoop(const Unit &U) {
   }
 }
 
-void Fuzzer::AnnounceOutput(const uint8_t *Data, size_t Size) {
-  if (SMR.IsServer()) {
-    SMR.WriteByteArray(Data, Size);
-  } else if (SMR.IsClient()) {
-    SMR.PostClient();
-    SMR.WaitServer();
-    size_t OtherSize = SMR.ReadByteArraySize();
-    uint8_t *OtherData = SMR.GetByteArray();
-    if (Size != OtherSize || memcmp(Data, OtherData, Size) != 0) {
-      size_t i = 0;
-      for (i = 0; i < Min(Size, OtherSize); i++)
-        if (Data[i] != OtherData[i])
-          break;
-      Printf("==%lu== ERROR: libFuzzer: equivalence-mismatch. Sizes: %zd %zd; "
-             "offset %zd\n",
-             GetPid(), Size, OtherSize, i);
-      DumpCurrentUnit("mismatch-");
-      Printf("SUMMARY: libFuzzer: equivalence-mismatch\n");
-      PrintFinalStats();
-      _Exit(Options.ErrorExitCode);
-    }
-  }
-}
-
 } // namespace fuzzer
 
 extern "C" {
@@ -855,10 +826,4 @@ LLVMFuzzerMutate(uint8_t *Data, size_t Size, size_t MaxSize) {
   return fuzzer::F->GetMD().DefaultMutate(Data, Size, MaxSize);
 }
 
-// Experimental
-ATTRIBUTE_INTERFACE void
-LLVMFuzzerAnnounceOutput(const uint8_t *Data, size_t Size) {
-  assert(fuzzer::F);
-  fuzzer::F->AnnounceOutput(Data, Size);
-}
 } // extern "C"