121 lines
3.6 KiB
Plaintext
121 lines
3.6 KiB
Plaintext
# Copyright 2016-2020 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test that on a separate MI UI (new-ui mi <tty>), the printing of an
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# asynchronous event (e.g. =library-loaded) during the synchronous
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# execution of a command (e.g. -exec-run or -exec-continue) does not
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# prematurely re-enable MI input. After executing synchronous
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# commands, MI should not process further commands until the inferior
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# stops again. See PR gdb/20418.
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# Do not run if gdb debug is enabled as it doesn't work for separate-mi-tty.
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if [gdb_debug_enabled] {
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untested "debug is enabled"
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return 0
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}
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load_lib mi-support.exp
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standard_testfile
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if {[build_executable $testfile.exp $testfile ${srcfile} "debug"] == -1} {
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untested "failed to compile"
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return -1
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}
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# The test driver. SYNC_COMMAND specifies which command is used to
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# synchronously start the program running.
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proc do_test {sync_command} {
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global srcdir subdir binfile srcfile
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global gdb_spawn_id gdb_main_spawn_id mi_spawn_id inferior_spawn_id
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global gdb_prompt mi_gdb_prompt
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mi_gdb_exit
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if {[mi_gdb_start "separate-mi-tty"] != 0} {
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fail "could not start gdb"
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return
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}
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mi_delete_breakpoints
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mi_gdb_reinitialize_dir $srcdir/$subdir
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mi_gdb_load $binfile
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# Start a synchronous run/continue on the MI UI.
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set test "send synchronous execution command"
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if {$sync_command == "run"} {
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if {[mi_run_cmd] >= 0} {
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pass $test
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} else {
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return
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}
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} else {
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if {[mi_runto main] < 0} {
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return
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}
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if {[mi_send_resuming_command_raw "123-exec-continue" $test] >= 0} {
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pass $test
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} else {
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return
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}
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}
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# Send -thread-info immediately after. If everything works
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# correctly, this is only serviced by GDB when the execution
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# stops.
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send_gdb "456-thread-info\n"
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pass "send -thread-info"
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# Make sure we trigger an asynchronous event (=thread-group-added)
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# in the separate MI UI. Note the "run" variant usually triggers
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# =thread-group-started/=thread-created/=library-loaded as well.
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with_spawn_id $gdb_main_spawn_id {
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gdb_test "add-inferior" "Added inferior 2 on connection .*"
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}
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# Interrupt the program.
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with_spawn_id $gdb_main_spawn_id {
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set message "interrupt on the CLI"
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gdb_test_multiple "interrupt" "$message" {
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-re "$gdb_prompt " {
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gdb_test_multiple "" "$message" {
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-re "received signal SIGINT" {
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pass $message
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}
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}
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}
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}
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}
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# On the MI channel, we should see the interrupt output _before_
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# the -thread-info output.
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with_spawn_id $mi_spawn_id {
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mi_expect_interrupt "got MI interrupt output"
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}
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# Look for the result of our -thread-info. If input were
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# re-enabled too soon, the thread would incorrectly show up with
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# state="running".
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with_spawn_id $mi_spawn_id {
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mi_gdb_test "" "456\\^.*state=\"stopped\".*" \
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"got -thread-info output and thread is stopped"
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}
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}
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foreach_with_prefix sync-command {"run" "continue"} {
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do_test ${sync-command}
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}
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