| # Copyright 2008-2021 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/>. |
| # |
| # This file is part of the gdb testsuite. |
| |
| # Test single stepping through atomic sequences beginning with |
| # a ldxr instruction and ending with a stxr instruction. |
| |
| if {![is_aarch64_target]} { |
| verbose "Skipping ${gdb_test_file_name}." |
| return |
| } |
| |
| standard_testfile |
| if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } { |
| return -1 |
| } |
| |
| if ![runto_main] { |
| return -1 |
| } |
| |
| gdb_breakpoint "[gdb_get_line_number "ldxr"]" \ |
| "Breakpoint $decimal at $hex" \ |
| "Set the breakpoint at the start of the sequence" |
| |
| gdb_test "continue" "Continuing.*Breakpoint $decimal.*" \ |
| "Continue until breakpoint" |
| |
| gdb_test "next" ".*__asm __volatile.*" \ |
| "Step through the ldxr/stxr sequence" |
| |
| gdb_test "next" ".*return dword.*" \ |
| "Stepped through sequence through conditional branch" |
