binutils-gdb/gdb/testsuite/gdb.dwarf2/dw2-var-zero-addr.exp

# Copyright 2011-2022 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/>.
load_lib dwarf.exp

# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
    return 0  
}

standard_testfile .S main.c

if [prepare_for_testing "failed to prepare" ${testfile} \
	[list $srcfile $srcfile2] {nodebug}] {
    return -1
}

proc test { } {
    # FAIL was: = (int *) 0x0
    # Such DIE record can be produced using: gcc -fdata-sections -Wl,-gc-sections
    gdb_test "print &var" {No symbol "var" in current context\.}
}

test

set saved_gdbflags $GDBFLAGS
set GDBFLAGS "$GDBFLAGS --readnow"
clean_restart ${binfile}
set GDBFLAGS $saved_gdbflags

with_test_prefix "readnow" {
    test
}