1# Copyright 2008-2017 Free Software Foundation, Inc. 2# 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program; if not, write to the Free Software 15# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 16# 17# This file is part of the gdb testsuite. 18 19# Test single stepping through atomic sequences beginning with 20# a ldxr instruction and ending with a stxr instruction. 21 22if {![is_aarch64_target]} { 23 verbose "Skipping ${gdb_test_file_name}." 24 return 25} 26 27standard_testfile 28if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } { 29 return -1 30} 31 32if ![runto_main] { 33 untested "could not run to main" 34 return -1 35} 36 37gdb_breakpoint "[gdb_get_line_number "ldxr"]" \ 38 "Breakpoint $decimal at $hex" \ 39 "Set the breakpoint at the start of the sequence" 40 41gdb_test "continue" "Continuing.*Breakpoint $decimal.*" \ 42 "Continue until breakpoint" 43 44gdb_test "next" ".*__asm __volatile.*" \ 45 "Step through the ldxr/stxr sequence" 46 47gdb_test "next" ".*return dword.*" \ 48 "Stepped through sequence through conditional branch" 49