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# Copyright 2018-2019 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/>.
# Check that the selected stack frame doesn't change after a backtrace.
standard_testfile
if { [prepare_for_testing "failed to prepare" $testfile $srcfile debug] } {
return -1
}
proc check_selected_frame_after_bt { bt_cmd stack_pattern } {
global binfile
clean_restart $binfile
with_test_prefix $bt_cmd {
if ![runto_main] then {
fail "can't run to main"
return 0
}
gdb_breakpoint "breakpt"
gdb_continue_to_breakpoint "breakpt"
# Visit each frame in the stack and ensure that the selected
# frame doesn't change after executing the backtrace command
# in BT_CMD.
foreach_with_prefix frame {0 1 2} {
if { $frame == 0 } {
gdb_assert {[get_current_frame_number] == $frame} \
"check frame"
} else {
gdb_test "frame $frame" "#$frame .*" "select frame"
}
gdb_test "$bt_cmd" $stack_pattern \
"perform backtrace command"
gdb_assert {[get_current_frame_number] == $frame} \
"check frame is still selected"
}
}
}
check_selected_frame_after_bt "bt" \
[multi_line \
"#0 \[^\n\r\]+" \
"#1 \[^\n\r\]+" \
"#2 \[^\n\r\]+"]
check_selected_frame_after_bt "bt full" \
[multi_line \
"#0 \[^\n\r\]+" \
"No locals\." \
"#1 \[^\n\r\]+" \
"No locals\." \
"#2 \[^\n\r\]+" \
"No locals\."]
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