# Copyright (C) 2012-2021 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/>.

set opts {}
standard_testfile .S

if [info exists COMPILE] {
    # make check RUNTESTFLAGS="gdb.arch/amd64-tailcall-noret.exp COMPILE=1"
    standard_testfile
    lappend opts debug optimize=-O2
} elseif { ![istarget x86_64-*-* ] || ![is_lp64_target] } {
    verbose "Skipping ${testfile}."
    return
}

lappend opts nopie

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

if ![runto noret] {
    return -1
}

gdb_test "bt" "#0 +noret \\(x=1\\) at \[^\r\n\]*\r\n#1 +0x\[0-9a-f\]+ in mayret \\(x=x@entry=1\\) at \[^\r\n\]*\r\n#2 +0x\[0-9a-f\]+ in tailcall \\(x=x@entry=1\\) at \[^\r\n\]*\r\n#3 +0x\[0-9a-f\]+ in main \\(\\) at .*"