From 128e4a2adca6721254e8ffd290b670cc58b7a898 Mon Sep 17 00:00:00 2001 From: Felix Morgner Date: Fri, 1 May 2026 21:00:39 +0200 Subject: debug: add support for smart pointer pretty printing --- scripts/gdb/kstd/smart_pointers.py | 50 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 scripts/gdb/kstd/smart_pointers.py (limited to 'scripts/gdb/kstd/smart_pointers.py') diff --git a/scripts/gdb/kstd/smart_pointers.py b/scripts/gdb/kstd/smart_pointers.py new file mode 100644 index 0000000..9af16fd --- /dev/null +++ b/scripts/gdb/kstd/smart_pointers.py @@ -0,0 +1,50 @@ +import gdb + + +class KstdUniquePtrPrinter: + + def __init__(self, val): + self.val = val + self.type = val.type.template_argument(0) + + def to_string(self): + pointer = self.val["pointer"] + if int(pointer) == 0: + return f"kstd::unique_ptr<{self.type}> (empty)" + return f"kstd::unique_ptr<{self.type}>" + + def children(self): + pointer = self.val["m_ptr"] + if int(pointer) != 0: + yield ("get()", pointer) + yield ("*get()", pointer.dereference()) + + +class KstdSharedPtrPrinter: + + def __init__(self, val): + self.val = val + self.type = val.type.template_argument(0) + + def to_string(self): + pointer = self.val["pointer"] + cb = self.val["control_block"] + + if int(pointer) == 0 or int(cb) == 0: + return f"kstd::shared_ptr<{self.type}> (empty)" + + strong_refs = int(cb["m_strong_refs"]) + weak_refs = int(cb["m_weak_refs"]) + + return f"kstd::shared_ptr<{self.type}> (use_count={strong_refs}, weak_count={weak_refs})" + + def children(self): + pointer = self.val["pointer"] + control_block = self.val["control"] + + if int(pointer) != 0: + yield ("get()", pointer) + yield ("*get()", pointer.dereference()) + + if int(control_block) != 0: + yield ("[control_block]", control_block.dereference()) -- cgit v1.2.3