checkstack: Handle callw instruction

Minor update to the checkstack.py tool.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/scripts/checkstack.py b/scripts/checkstack.py
index e86a649b..b49b6c8c 100755
--- a/scripts/checkstack.py
+++ b/scripts/checkstack.py
@@ -181,6 +181,8 @@ def calc():
                     noteCall(cur, subfuncs, insnaddr, calladdr, 0)
                 elif insn.startswith('calll'):
                     noteCall(cur, subfuncs, insnaddr, calladdr, stackusage + 4)
+                elif insn.startswith('callw'):
+                    noteCall(cur, subfuncs, insnaddr, calladdr, stackusage + 2)
                 else:
                     print("unknown call", ref)
                     noteCall(cur, subfuncs, insnaddr, calladdr, stackusage)