[PATCH 1/3] scripts/gdb/symbols: factor out get_vmlinux()

[Ilya Leoshkevich <iii@linux.ibm.com>]

Move the code that determines the current vmlinux file into a separate
function. It will be useful later in order to analyze the kernel image
in physical memory during s390 early boot.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
---
 scripts/gdb/linux/symbols.py | 6 +-----
 scripts/gdb/linux/utils.py   | 9 +++++++++
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py
index b255177301e9..25c4627c60e5 100644
--- a/scripts/gdb/linux/symbols.py
+++ b/scripts/gdb/linux/symbols.py
@@ -178,11 +178,7 @@ lx-symbols command."""
                 saved_states.append({'breakpoint': bp, 'enabled': bp.enabled})
 
         # drop all current symbols and reload vmlinux
-        orig_vmlinux = 'vmlinux'
-        for obj in gdb.objfiles():
-            if (obj.filename.endswith('vmlinux') or
-                obj.filename.endswith('vmlinux.debug')):
-                orig_vmlinux = obj.filename
+        orig_vmlinux = utils.get_vmlinux()
         gdb.execute("symbol-file", to_string=True)
         kerneloffset = get_kerneloffset()
         if kerneloffset is None:
diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py
index 03ebdccf5f69..fc94ff6a6d72 100644
--- a/scripts/gdb/linux/utils.py
+++ b/scripts/gdb/linux/utils.py
@@ -251,3 +251,12 @@ def parse_vmcore(s):
     else:
         kerneloffset = int(match.group(1), 16)
     return VmCore(kerneloffset=kerneloffset)
+
+
+def get_vmlinux():
+    vmlinux = 'vmlinux'
+    for obj in gdb.objfiles():
+        if (obj.filename.endswith('vmlinux') or
+            obj.filename.endswith('vmlinux.debug')):
+            vmlinux = obj.filename
+    return vmlinux
-- 
2.49.0