automation: add linker symbol name script

Requested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Victor Lira <victorm.lira@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>

diff --git a/automation/eclair_analysis/linker-symbols.sh b/automation/eclair_analysis/linker-symbols.sh
new file mode 100755 (executable)
index 0000000..0f49aed
--- /dev/null
+++ b/automation/eclair_analysis/linker-symbols.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# Stop immediately if any executed command has exit status different from 0.
+set -e
+
+# Extract linker symbol names (except those starting with ".") from assignments.
+
+script_name=$(basename "$0")
+script_dir="$(
+  cd "$(dirname "$0")"
+  echo "${PWD}"
+)"
+src_dir="${script_dir}/../.."
+
+fatal() {
+  echo "${script_name}: $*" >&2
+  exit 1
+}
+
+usage() {
+  fatal "Usage: ${script_name} <arch>"
+}
+
+if [ $# -ne 1 ]; then
+  usage
+fi
+
+filepath="${src_dir}/xen/arch/${1}/xen.lds"
+
+if [ ! -f "$filepath" ]; then
+  fatal "Could not find ${1} linker script. Must be run after the build."
+fi
+
+sed -n "s/^\s*\([a-zA-Z_][a-zA-Z_0-9.\-]*\)\s*=.*;.*$/\1/p" "$filepath"