Ryan Macnak
f1ba8ceacf
Fix GCC TSAN build. Cleanup sanitizer includes. TEST=ci Change-Id: Ib68bbfa701b4309c03514ed689391051094208e4 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/452226 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Alexander Aprelev <aam@google.com>
35 lines
1.6 KiB
C++
35 lines
1.6 KiB
C++
// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/thread_sanitizer.h"
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#if defined(USING_THREAD_SANITIZER)
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// Functions returning default options are declared weak in the tools' runtime
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// libraries. To make the linker pick the strong replacements for those
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// functions from this module, we explicitly force its inclusion by passing
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// -Wl,-u,_sanitizer_options_link_helper
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extern "C" void _sanitizer_options_link_helper() {}
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// The callbacks we define here will be called from the sanitizer runtime, but
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// aren't referenced from the Dart binaries. We must ensure that those
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// callbacks are not sanitizer-instrumented, and that they aren't stripped by
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// the linker.
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#define SANITIZER_HOOK_ATTRIBUTE \
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extern "C" __attribute__((no_sanitize_thread)) \
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__attribute__((visibility("default"))) __attribute__((used))
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#endif
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#if defined(USING_THREAD_SANITIZER) && defined(DART_HOST_OS_LINUX)
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SANITIZER_HOOK_ATTRIBUTE const char* __tsan_default_suppressions() {
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// See https://github.com/google/sanitizers/wiki/threadsanitizersuppressions
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return R"(
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# False positive in libc's tzset_internal (see http://dartbug.com/54064).
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# In some environments tzset_internal is not symbolized correctly so we
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# also suppress the closest caller which is properly symbolized.
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race:tzset_internal
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race:dart::LocalTime
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)";
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}
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#endif // defined(USING_THREAD_SANITIZER) && defined(DART_HOST_OS_LINUX)
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