# Copyright 2013-2020 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
}

# This test can only be run on x86_64 targets.
if {![istarget "x86_64-*-*"] || ![is_lp64_target]} {
    return 0
}

standard_testfile .S

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

if ![runto stop_frame] {
    perror "Failed to stop in stop_frame"
    return -1
}

gdb_test "bt" \
    "#0  stop_frame \[^\r\n\]*\r\nBacktrace stopped: previous frame identical to this frame \\(corrupt stack\\?\\)" \
    "backtrace from stop_frame"

gdb_test "up" \
    "Initial frame selected; you cannot go up\\\." \
    "up from stop_frame"