debug: add support for kstd pretty printing

1 files changed, 26 insertions, 0 deletions

diff --git a/scripts/gdb/kstd/string.py b/scripts/gdb/kstd/string.py
new file mode 100644
index 0000000..6fa9996
--- /dev/null
+++ b/scripts/gdb/kstd/string.py
@@ -0,0 +1,26 @@
+import gdb
+
+
+class KstdStringPrinter:
+
+    def __init__(self, val):
+        self.val = val
+
+    def to_string(self):
+        storage = self.val["m_storage"]
+        storage_size = int(storage["m_size"])
+
+        if storage_size <= 0:
+            return '""'
+
+        data_pointer = storage["m_data"]
+        string_length = storage_size - 1
+
+        try:
+            string_data = data_pointer.string(encoding="utf-8", length=string_length)
+            return f"{string_data}"
+        except gdb.error:
+            return "<unreadable memory>"
+
+    def display_hint(self):
+        return "string"