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# Copyright (C) 2023-2024 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This file is part of the GDB testsuite.
# It tests Python-based pretty-printing of stubs.
import gdb.printing
class SPrinter:
def __init__(self, val):
self.val = val
def to_string(self):
char_ptr = gdb.lookup_type("char").pointer()
int_ptr = gdb.lookup_type("int").pointer()
# m_i should be after the vtable, which has the size of a pointer
i = (
(self.val.address.cast(char_ptr) + int_ptr.sizeof)
.cast(int_ptr)
.dereference()
)
return "{pp m_i = %d}" % int(i)
pp = gdb.printing.RegexpCollectionPrettyPrinter("S")
pp.add_printer("S", "^S$", SPrinter)
gdb.printing.register_pretty_printer(gdb.current_objfile(), pp, True)
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