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# 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/>.
#
# Test asynchronous Machine Interface (MI) responses.
#
# Because of the way this test is written, using 'start' and not using
# mi_run_cmd, it ignores whatever target the rest of GDB testsuite is
# using, and always tries to run natively. So, don't do anything unless
# we're actually testing native.
if { !([isnative] && [istarget *-linux*]) } then {
return
}
# Check if start command is supported.
require use_gdb_stub 0
# The plan is for async mode to become the default but toggle for now.
set saved_gdbflags $GDBFLAGS
set GDBFLAGS [concat $GDBFLAGS " -ex \"set mi-async on\""]
load_lib mi-support.exp
gdb_exit
if [mi_gdb_start] {
continue
}
standard_testfile basics.c
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
untested "failed to compile"
return -1
}
mi_delete_breakpoints
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_load ${binfile}
# mi_gdb_test cannot be used for asynchronous commands because there are
# two prompts involved and this can lead to a race condition.
proc linux_async_tests {} {
global mi_gdb_prompt
global hex
set line_main_head [gdb_get_line_number "main ("]
set line_main_body [expr $line_main_head + 2]
set line_main_next [expr $line_main_head + 3]
mi_send_resuming_command_raw "start" "start: send"
mi_expect_stop "breakpoint-hit" "main" "" ".*basics.c" "$line_main_body" { "" "disp=\"del\"" } "start: stop"
mi_send_resuming_command_raw "next" "CLI next: send"
mi_expect_stop "end-stepping-range" "main" "" ".*basics.c" "$line_main_next" "" "CLI next: stop"
mi_gdb_test "-exec-interrupt" \
"" \
""
mi_send_resuming_command_raw "start" "restart: send"
mi_expect_stop "breakpoint-hit" "main" "" ".*basics.c" "$line_main_body" { "" "disp=\"del\"" } "restart: stop"
}
linux_async_tests
mi_gdb_exit
set GDBFLAGS $saved_gdbflags
return 0
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