10-ef-runtime.patch

Enable keyboard shortcuts

# HG changeset patch

# User Christian Holler <choller@mozilla.com>

# Date 1596126054 -7200

#      Thu Jul 30 18:20:54 2020 +0200

# Node ID 8a2a26b33d516c43c366b2f24d731d27d9843349

# Parent  997c4109edd112695097fd8c55cbacd976cab24a

[libFuzzer] Allow external functions to be defined at runtime

diff --git a/FuzzerDriver.cpp b/FuzzerDriver.cpp

--- a/FuzzerDriver.cpp

+++ b/FuzzerDriver.cpp

@@ -608,17 +608,18 @@ static Vector<SizedFile> ReadCorpora(con

       SizedFiles.push_back({File, Size});

   return SizedFiles;

 int FuzzerDriver(int *argc, char ***argv, UserCallback Callback) {

   using namespace fuzzer;

   assert(argc && argv && "Argument pointers cannot be nullptr");

   std::string Argv0((*argv)[0]);

-  EF = new ExternalFunctions();

+  if (!EF)

+    EF = new ExternalFunctions();

   if (EF->LLVMFuzzerInitialize)

     EF->LLVMFuzzerInitialize(argc, argv);

   if (EF->__msan_scoped_disable_interceptor_checks)

     EF->__msan_scoped_disable_interceptor_checks();

   const Vector<std::string> Args(*argv, *argv + *argc);

   assert(!Args.empty());

   ProgName = new std::string(Args[0]);

   if (Argv0 != *ProgName) {