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# Copyright 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/>.
# Check that gdb doesn't hang or segfault on reading a DIE with a
# specification/abstract_origin reference to itself.
load_lib dwarf.exp
require dwarf2_support
standard_testfile main.c .S
# Create the DWARF.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
cu {} {
compile_unit {{language @DW_LANG_C_plus_plus}} {
# Check handling of self-referencing DIE.
declare_labels c1
c1: class_type {
{name c1}
{specification :$c1}
}
# Check handling of self-referencing child DIE. Regression test
# for PR30799.
declare_labels f1 abstract_f1 f1_l
abstract_f1: subprogram {}
f1: subprogram {
{MACRO_AT_func {main}}
{abstract_origin :$abstract_f1}
} {
f1_l: label {
{abstract_origin :$f1_l}
}
}
}
}
}
if [prepare_for_testing "failed to prepare" $testfile "${asm_file} ${srcfile}" {}] {
return -1
}
set index [have_index $binfile]
require {string eq $index ""}
require !readnow
gdb_test "maint print objfiles $testfile" \
"\r\n *qualified: *c1\r\n.*" \
"class c1 in cooked index"
gdb_test "maint expand-symtabs"
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