[committed] libstdc++: Fix GDB Xmethod for std::shared_ptr::use_count() [PR109064]
Commit Message
Tested x86_64-linux (GDB 13.1).
Pushed to trunk for now, will do backports too.
-- >8 --
libstdc++-v3/ChangeLog:
PR libstdc++/109064
* python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker):
Remove self-recursion in __init__. Add missing _supports.
* testsuite/libstdc++-xmethods/shared_ptr.cc: Check use_count()
and unique().
---
libstdc++-v3/python/libstdcxx/v6/xmethods.py | 5 ++++-
libstdc++-v3/testsuite/libstdc++-xmethods/shared_ptr.cc | 7 +++++++
2 files changed, 11 insertions(+), 1 deletion(-)
@@ -730,7 +730,7 @@ class SharedPtrUseCountWorker(gdb.xmethod.XMethodWorker):
"Implements std::shared_ptr<T>::use_count()"
def __init__(self, elem_type):
- SharedPtrUseCountWorker.__init__(self, elem_type)
+ pass
def get_arg_types(self):
return None
@@ -738,6 +738,9 @@ class SharedPtrUseCountWorker(gdb.xmethod.XMethodWorker):
def get_result_type(self, obj):
return gdb.lookup_type('long')
+ def _supports(self, method_name):
+ return True
+
def __call__(self, obj):
refcounts = obj['_M_refcount']['_M_pi']
return refcounts['_M_use_count'] if refcounts else 0
@@ -37,6 +37,8 @@ main ()
std::shared_ptr<x_struct[3]> s(new x_struct[2]{ {92}, {115} });
+ auto qq = q;
+
// { dg-final { note-test *p 10 } }
// { dg-final { regexp-test p.get() 0x.* } }
@@ -67,6 +69,11 @@ main ()
// { dg-final { whatis-test s.get() "x_struct \*" } }
// { dg-final { whatis-test s\[1].y int } }
+// { dg-final { note-test p.use_count() 1 } }
+// { dg-final { note-test p.unique() true } }
+// { dg-final { note-test q.use_count() 2 } }
+// { dg-final { note-test q.unique() false } }
+
return 0; // Mark SPOT
}