1 files changed, 56 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/vdso.h b/arch/powerpc/include/asm/vdso.h
new file mode 100644
index 000000000..2ff884853
--- /dev/null
+++ b/arch/powerpc/include/asm/vdso.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PPC64_VDSO_H__
+#define __PPC64_VDSO_H__
+
+#ifdef __KERNEL__
+
+/* Default link addresses for the vDSOs */
+#define VDSO32_LBASE	0x0
+#define VDSO64_LBASE	0x0
+
+/* Default map addresses for 32bit vDSO */
+#define VDSO32_MBASE	0x100000
+
+#define VDSO_VERSION_STRING	LINUX_2.6.15
+
+#ifndef __ASSEMBLY__
+
+/* Offsets relative to thread->vdso_base */
+extern unsigned long vdso64_rt_sigtramp;
+extern unsigned long vdso32_sigtramp;
+extern unsigned long vdso32_rt_sigtramp;
+
+int vdso_getcpu_init(void);
+
+#else /* __ASSEMBLY__ */
+
+#ifdef __VDSO64__
+#define V_FUNCTION_BEGIN(name)		\
+	.globl name;			\
+	name:				\
+
+#define V_FUNCTION_END(name)		\
+	.size name,.-name;
+
+#define V_LOCAL_FUNC(name) (name)
+#endif /* __VDSO64__ */
+
+#ifdef __VDSO32__
+
+#define V_FUNCTION_BEGIN(name)		\
+	.globl name;			\
+	.type name,@function; 		\
+	name:				\
+
+#define V_FUNCTION_END(name)		\
+	.size name,.-name;
+
+#define V_LOCAL_FUNC(name) (name)
+
+#endif /* __VDSO32__ */
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* __PPC64_VDSO_H__ */