# Copyright 2024 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/>.

# Test a binary that uses MOPS (Memory Operations) instructions.
# This test is similar to gdb.base/memops-watchpoint.exp, but specifically
# tests MOPS instructions rather than whatever instructions are used in the
# system libc's implementation of memset/memcpy/memmove.

require allow_hw_watchpoint_tests allow_aarch64_mops_tests

standard_testfile

if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} \
	  [list debug additional_flags=-march=armv9.3-a]] } {
    return -1
}

set linespec ${srcfile}:[gdb_get_line_number "Break here"]
if ![runto ${linespec}] {
    return -1
}

gdb_test "watch -location a\[28\]" \
    "(Hardware w|W)atchpoint ${decimal}: -location a\\\[28\\\]" \
    "set watch on a"
gdb_test "watch -location b\[28\]" \
    "(Hardware w|W)atchpoint ${decimal}: -location b\\\[28\\\]" \
    "set watchpoint on b"
gdb_test "watch -location c\[28\]" \
    "(Hardware w|W)atchpoint ${decimal}: -location c\\\[28\\\]" \
    "set watchpoint on c"

gdb_test "continue" \
    [multi_line \
	 "Continuing\\." \
	 "" \
	 "Hardware watchpoint ${decimal}: -location a\\\[28\\\]" \
	 "" \
	 "Old value = 104 'h'" \
	 "New value = 0 '\\\\000'" \
	 "$hex in main \\(\\) at .*aarch64-mops-watchpoint.c:$decimal" \
	 "${decimal}\\s+__asm__ volatile \\(\"setp.*\\\\n\\\\t\""] \
    "continue until set watchpoint hits"

gdb_test "continue" \
    [multi_line \
	 "Continuing\\." \
	 "" \
	 "Hardware watchpoint ${decimal}: -location b\\\[28\\\]" \
	 "" \
	 "Old value = 101 'e'" \
	 "New value = 114 'r'" \
	 "$hex in main \\(\\) at .*aarch64-mops-watchpoint.c:$decimal" \
	 "${decimal}\\s+__asm__ volatile \\(\"cpyp.*\\\\n\\\\t\""] \
    "continue until cpy watchpoint hits"

gdb_test "continue" \
    [multi_line \
	 "Continuing\\." \
	 "" \
	 "Hardware watchpoint ${decimal}: -location c\\\[28\\\]" \
	 "" \
	 "Old value = 100 'd'" \
	 "New value = 114 'r'" \
	 "$hex in main \\(\\) at .*aarch64-mops-watchpoint.c:$decimal" \
	 "${decimal}\\s+__asm__ volatile \\(\"cpyfp.*\\\\n\\\\t\""] \
    "continue until cpyf watchpoint hits"