Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 32 insertions, 0 deletions

diff --git a/linux-user/sparc/syscallhdr.sh b/linux-user/sparc/syscallhdr.sh
new file mode 100644
index 000000000..34a99dc83
--- /dev/null
+++ b/linux-user/sparc/syscallhdr.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+in="$1"
+out="$2"
+my_abis=`echo "($3)" | tr ',' '|'`
+prefix="$4"
+offset="$5"
+
+fileguard=LINUX_USER_SPARC_`basename "$out" | sed \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
+    -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
+grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
+    printf "#ifndef %s\n" "${fileguard}"
+    printf "#define %s\n" "${fileguard}"
+    printf "\n"
+
+    nxt=0
+    while read nr abi name entry compat ; do
+        if [ -z "$offset" ]; then
+            printf "#define TARGET_NR_%s%s\t%s\n" \
+                "${prefix}" "${name}" "${nr}"
+        else
+            printf "#define TARGET_NR_%s%s\t(%s + %s)\n" \
+                "${prefix}" "${name}" "${offset}" "${nr}"
+        fi
+        nxt=$((nr+1))
+    done
+
+    printf "\n"
+    printf "#endif /* %s */" "${fileguard}"
+) > "$out"