diff options
Diffstat (limited to 'llvm/lib/Fuzzer/FuzzerExtFunctionsDlsym.cpp')
| -rw-r--r-- | llvm/lib/Fuzzer/FuzzerExtFunctionsDlsym.cpp | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/llvm/lib/Fuzzer/FuzzerExtFunctionsDlsym.cpp b/llvm/lib/Fuzzer/FuzzerExtFunctionsDlsym.cpp deleted file mode 100644 index 06bddd5de38..00000000000 --- a/llvm/lib/Fuzzer/FuzzerExtFunctionsDlsym.cpp +++ /dev/null @@ -1,52 +0,0 @@ -//===- FuzzerExtFunctionsDlsym.cpp - Interface to external functions ------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// Implementation for operating systems that support dlsym(). We only use it on -// Apple platforms for now. We don't use this approach on Linux because it -// requires that clients of LibFuzzer pass ``--export-dynamic`` to the linker. -// That is a complication we don't wish to expose to clients right now. -//===----------------------------------------------------------------------===// -#include "FuzzerDefs.h" -#if LIBFUZZER_APPLE - -#include "FuzzerExtFunctions.h" -#include "FuzzerIO.h" -#include <dlfcn.h> - -using namespace fuzzer; - -template <typename T> -static T GetFnPtr(const char *FnName, bool WarnIfMissing) { - dlerror(); // Clear any previous errors. - void *Fn = dlsym(RTLD_DEFAULT, FnName); - if (Fn == nullptr) { - if (WarnIfMissing) { - const char *ErrorMsg = dlerror(); - Printf("WARNING: Failed to find function \"%s\".", FnName); - if (ErrorMsg) - Printf(" Reason %s.", ErrorMsg); - Printf("\n"); - } - } - return reinterpret_cast<T>(Fn); -} - -namespace fuzzer { - -ExternalFunctions::ExternalFunctions() { -#define EXT_FUNC(NAME, RETURN_TYPE, FUNC_SIG, WARN) \ - this->NAME = GetFnPtr<decltype(ExternalFunctions::NAME)>(#NAME, WARN) - -#include "FuzzerExtFunctions.def" - -#undef EXT_FUNC -} - -} // namespace fuzzer - -#endif // LIBFUZZER_APPLE |
