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# Copyright 2008-2017 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] {
untested "could not run to 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"
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