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Diffstat (limited to 'arch/powerpc/kernel/vdso/gen_vdso32_offsets.sh')
-rwxr-xr-xarch/powerpc/kernel/vdso/gen_vdso32_offsets.sh16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/vdso/gen_vdso32_offsets.sh b/arch/powerpc/kernel/vdso/gen_vdso32_offsets.sh
new file mode 100755
index 000000000000..c7b54a5dcd3e
--- /dev/null
+++ b/arch/powerpc/kernel/vdso/gen_vdso32_offsets.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+#
+# Match symbols in the DSO that look like VDSO_*; produce a header file
+# of constant offsets into the shared object.
+#
+# Doing this inside the Makefile will break the $(filter-out) function,
+# causing Kbuild to rebuild the vdso-offsets header file every time.
+#
+# Author: Will Deacon <will.deacon@arm.com
+#
+
+LC_ALL=C
+sed -n -e 's/^00*/0/' -e \
+'s/^\([0-9a-fA-F]*\) . VDSO_\([a-zA-Z0-9_]*\)$/\#define vdso32_offset_\2\t0x\1/p'