1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/vdso.h b/arch/arm64/include/asm/vdso.h
new file mode 100644
index 000000000..b4ae32109
--- /dev/null
+++ b/arch/arm64/include/asm/vdso.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2012 ARM Limited
+ */
+#ifndef __ASM_VDSO_H
+#define __ASM_VDSO_H
+
+/*
+ * Default link address for the vDSO.
+ * Since we randomise the VDSO mapping, there's little point in trying
+ * to prelink this.
+ */
+#define VDSO_LBASE	0x0
+
+#define __VVAR_PAGES    2
+
+#ifndef __ASSEMBLY__
+
+#include <generated/vdso-offsets.h>
+#ifdef CONFIG_COMPAT_VDSO
+#include <generated/vdso32-offsets.h>
+#endif
+
+#define VDSO_SYMBOL(base, name)						   \
+({									   \
+	(void *)(vdso_offset_##name - VDSO_LBASE + (unsigned long)(base)); \
+})
+
+extern char vdso_start[], vdso_end[];
+extern char vdso32_start[], vdso32_end[];
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* __ASM_VDSO_H */