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author | robot-piglet <robot-piglet@yandex-team.com> | 2023-05-26 18:02:46 +0300 |
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committer | robot-piglet <robot-piglet@yandex-team.com> | 2023-05-26 18:02:46 +0300 |
commit | d85fbebd3ea97ba43da1f6d672dde2b18347f11a (patch) | |
tree | 592f624cde6617872108479e43b781b2e16b565c /contrib/libs/libfuzzer/FuzzerExtFunctionsWeak.cpp | |
parent | d8341f8abab29d0fcfb7096a3d1b3c6fd399781b (diff) | |
download | ydb-d85fbebd3ea97ba43da1f6d672dde2b18347f11a.tar.gz |
Intermediate changes
Diffstat (limited to 'contrib/libs/libfuzzer/FuzzerExtFunctionsWeak.cpp')
-rw-r--r-- | contrib/libs/libfuzzer/FuzzerExtFunctionsWeak.cpp | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/contrib/libs/libfuzzer/FuzzerExtFunctionsWeak.cpp b/contrib/libs/libfuzzer/FuzzerExtFunctionsWeak.cpp deleted file mode 100644 index 3ef758daa7b..00000000000 --- a/contrib/libs/libfuzzer/FuzzerExtFunctionsWeak.cpp +++ /dev/null @@ -1,54 +0,0 @@ -//===- FuzzerExtFunctionsWeak.cpp - Interface to external functions -------===// -// -// 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 -// -//===----------------------------------------------------------------------===// -// Implementation for Linux. This relies on the linker's support for weak -// symbols. We don't use this approach on Apple platforms because it requires -// clients of LibFuzzer to pass ``-U _<symbol_name>`` to the linker to allow -// weak symbols to be undefined. That is a complication we don't want to expose -// to clients right now. -//===----------------------------------------------------------------------===// -#include "FuzzerPlatform.h" -#if LIBFUZZER_LINUX || LIBFUZZER_NETBSD || LIBFUZZER_FUCHSIA || \ - LIBFUZZER_FREEBSD || LIBFUZZER_EMSCRIPTEN - -#include "FuzzerExtFunctions.h" -#include "FuzzerIO.h" - -extern "C" { -// Declare these symbols as weak to allow them to be optionally defined. -#define EXT_FUNC(NAME, RETURN_TYPE, FUNC_SIG, WARN) \ - __attribute__((weak, visibility("default"))) RETURN_TYPE NAME FUNC_SIG - -#include "FuzzerExtFunctions.def" - -#undef EXT_FUNC -} - -using namespace fuzzer; - -static void CheckFnPtr(void *FnPtr, const char *FnName, bool WarnIfMissing) { - if (FnPtr == nullptr && WarnIfMissing) { - Printf("WARNING: Failed to find function \"%s\".\n", FnName); - } -} - -namespace fuzzer { - -ExternalFunctions::ExternalFunctions() { -#define EXT_FUNC(NAME, RETURN_TYPE, FUNC_SIG, WARN) \ - this->NAME = ::NAME; \ - CheckFnPtr(reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(::NAME)), \ - #NAME, WARN); - -#include "FuzzerExtFunctions.def" - -#undef EXT_FUNC -} - -} // namespace fuzzer - -#endif |