1 files changed, 18 insertions, 0 deletions
diff --git a/scripts/extract-asm-offsets.sed b/scripts/extract-asm-offsets.sed
new file mode 100644
index 0000000..c97ec2c
--- /dev/null
+++ b/scripts/extract-asm-offsets.sed
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Extract `->SYM val COMMENT` markers emitted by inline asm in
+# asm-offsets.c into proper `#define SYM val /* COMMENT */` lines.
+# 1:1 with Linux scripts/Makefile.lib `sed-offsets`.
+#
+# Input  : assembly source produced by `gcc -S asm-offsets.c` —
+#          inline asm emits lines like
+#             .ascii "->KERNEL_MAP_VIRT_ADDR 0 offsetof(...)"
+# Output : header fragment for include/generated/asm-offsets.h
+#
+# Step 1 unwraps the `.ascii "..."` directive so the actual payload
+# (starting with `->`) is exposed.  Steps 2-4 then rewrite into a
+# proper #define.
+s:^[[:space:]]*\.ascii[[:space:]]*"\(.*\)".*:\1:
+/^->/{s:->#\(.*\):/* \1 */:;
+      s:^->\([^ ]*\) [\$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:;
+      s:->::;
+      p;}