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# 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"
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