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authorrobot-piglet <robot-piglet@yandex-team.com>2023-05-26 18:02:46 +0300
committerrobot-piglet <robot-piglet@yandex-team.com>2023-05-26 18:02:46 +0300
commitd85fbebd3ea97ba43da1f6d672dde2b18347f11a (patch)
tree592f624cde6617872108479e43b781b2e16b565c /contrib/libs/libfuzzer/FuzzerExtraCountersWindows.cpp
parentd8341f8abab29d0fcfb7096a3d1b3c6fd399781b (diff)
downloadydb-d85fbebd3ea97ba43da1f6d672dde2b18347f11a.tar.gz
Intermediate changes
Diffstat (limited to 'contrib/libs/libfuzzer/FuzzerExtraCountersWindows.cpp')
-rw-r--r--contrib/libs/libfuzzer/FuzzerExtraCountersWindows.cpp80
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diff --git a/contrib/libs/libfuzzer/FuzzerExtraCountersWindows.cpp b/contrib/libs/libfuzzer/FuzzerExtraCountersWindows.cpp
deleted file mode 100644
index 102f5febdae..00000000000
--- a/contrib/libs/libfuzzer/FuzzerExtraCountersWindows.cpp
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@@ -1,80 +0,0 @@
-//===- FuzzerExtraCountersWindows.cpp - Extra coverage counters for Win32 -===//
-//
-// 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
-//
-//===----------------------------------------------------------------------===//
-// Extra coverage counters defined by user code for Windows.
-//===----------------------------------------------------------------------===//
-
-#include "FuzzerPlatform.h"
-#include <cstdint>
-
-#if LIBFUZZER_WINDOWS
-#include <windows.h>
-
-namespace fuzzer {
-
-//
-// The __start___libfuzzer_extra_counters variable is align 16, size 16 to
-// ensure the padding between it and the next variable in this section (either
-// __libfuzzer_extra_counters or __stop___libfuzzer_extra_counters) will be
-// located at (__start___libfuzzer_extra_counters +
-// sizeof(__start___libfuzzer_extra_counters)). Otherwise, the calculation of
-// (stop - (start + sizeof(start))) might be skewed.
-//
-// The section name, __libfuzzer_extra_countaaa ends with "aaa", so it sorts
-// before __libfuzzer_extra_counters alphabetically. We want the start symbol to
-// be placed in the section just before the user supplied counters (if present).
-//
-#pragma section(".data$__libfuzzer_extra_countaaa")
-ATTRIBUTE_ALIGNED(16)
-__declspec(allocate(".data$__libfuzzer_extra_countaaa")) uint8_t
- __start___libfuzzer_extra_counters[16] = {0};
-
-//
-// Example of what the user-supplied counters should look like. First, the
-// pragma to create the section name. It will fall alphabetically between
-// ".data$__libfuzzer_extra_countaaa" and ".data$__libfuzzer_extra_countzzz".
-// Next, the declspec to allocate the variable inside the specified section.
-// Finally, some array, struct, whatever that is used to track the counter data.
-// The size of this variable is computed at runtime by finding the difference of
-// __stop___libfuzzer_extra_counters and __start___libfuzzer_extra_counters +
-// sizeof(__start___libfuzzer_extra_counters).
-//
-
-//
-// #pragma section(".data$__libfuzzer_extra_counters")
-// __declspec(allocate(".data$__libfuzzer_extra_counters"))
-// uint8_t any_name_variable[64 * 1024];
-//
-
-//
-// Here, the section name, __libfuzzer_extra_countzzz ends with "zzz", so it
-// sorts after __libfuzzer_extra_counters alphabetically. We want the stop
-// symbol to be placed in the section just after the user supplied counters (if
-// present). Align to 1 so there isn't any padding placed between this and the
-// previous variable.
-//
-#pragma section(".data$__libfuzzer_extra_countzzz")
-ATTRIBUTE_ALIGNED(1)
-__declspec(allocate(".data$__libfuzzer_extra_countzzz")) uint8_t
- __stop___libfuzzer_extra_counters = 0;
-
-uint8_t *ExtraCountersBegin() {
- return __start___libfuzzer_extra_counters +
- sizeof(__start___libfuzzer_extra_counters);
-}
-
-uint8_t *ExtraCountersEnd() { return &__stop___libfuzzer_extra_counters; }
-
-ATTRIBUTE_NO_SANITIZE_ALL
-void ClearExtraCounters() {
- uint8_t *Beg = ExtraCountersBegin();
- SecureZeroMemory(Beg, ExtraCountersEnd() - Beg);
-}
-
-} // namespace fuzzer
-
-#endif