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

[Schrodinger ZHU Yifan via libc-commits]

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@@ -0,0 +1,47 @@
+//===---------- aarch64 vdso configuration ------------------------* C++ *-===//
+//
+// 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 "src/__support/CPP/string_view.h"
+namespace LIBC_NAMESPACE {
+namespace vdso {
+// macro definitions
+#define LIBC_VDSO_HAS_RT_SIGRETURN
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SchrodingerZhu wrote:

vDSO symbols are platform dependent. Are you suggesting that we should "add on need"? 

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