[libc-commits] [libc] [libc] implement vdso (PR #91572)

[Nick Desaulniers via libc-commits]

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@@ -0,0 +1,175 @@
+//===-- Unittests for VDSO ------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "hdr/signal_macros.h"
+#include "hdr/time_macros.h"
+#include "hdr/types/clockid_t.h"
+#include "hdr/types/struct_sigaction.h"
+#include "hdr/types/struct_timespec.h"
+#include "hdr/types/struct_timeval.h"
+#include "hdr/types/time_t.h"
+#include "src/__support/OSUtil/linux/vdso.h"
+#include "src/__support/OSUtil/syscall.h"
+#include "src/__support/macros/properties/architectures.h"
+#include "src/signal/raise.h"
+#include "src/signal/sigaction.h"
+#include "test/UnitTest/ErrnoSetterMatcher.h"
+#include "test/UnitTest/LibcTest.h"
+#include "test/UnitTest/Test.h"
+#include <linux/time_types.h>
+#include <sys/syscall.h>
+
+struct riscv_hwprobe {
+  int64_t key;
+  uint64_t value;
+};
+
+namespace LIBC_NAMESPACE {
+// For x86_64, we explicitly test some traditional vdso symbols are indeed
+// available.
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nickdesaulniers wrote:

I don't think this is necessary; it clutters up the code quite a bit IMO.

https://github.com/llvm/llvm-project/pull/91572