binutils-gdb/gdb/testsuite/gdb.mi/user-selected-context-sync.exp
Tom de Vries 603df41b46 [gdb/testsuite] Handle init errors in gdb.mi/user-selected-context-sync.exp
In OBS, on aarch64-linux, with a gdb 11.1 based package, I run into:
...
(gdb) builtin_spawn -pty^M
new-ui mi /dev/pts/5^M
New UI allocated^M
(gdb) =thread-group-added,id="i1"^M
(gdb) ERROR: MI channel failed
warning: Error detected on fd 11^M
thread 1.1^M
Unknown thread 1.1.^M
(gdb) UNRESOLVED: gdb.mi/user-selected-context-sync.exp: mode=non-stop: \
  test_cli_inferior: reset selection to thread 1.1
...
with many more UNRESOLVED following.

The ERROR is a common problem, filed as
https://sourceware.org/bugzilla/show_bug.cgi?id=28561 .

But the many UNRESOLVEDs are due to not checking whether the setup as done in
the test_setup function succeeds or not.

Fix this by:
- making test_setup return an error upon failure
- handling test_setup error at the call site
- adding a "setup done" pass/fail to be turned into an unresolved
  in case of error during setup.

Tested on x86_64-linux, by manually triggering the error in
mi_gdb_start_separate_mi_tty.
2022-05-08 18:32:05 +02:00

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# Copyright 2016-2022 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/>.
# This test checks that the "thread", "select-frame", "frame" and "inferior"
# CLI commands, as well as the "-thread-select" and "-stack-select-frame" MI
# commands send the appropriate user-selection-change events to all UIs.
#
# This test considers the case where console and MI are two different UIs,
# and MI is created with the new-ui command.
#
# It also considers the case where the console commands are sent directly in
# the MI channel as described in PR 20487.
#
# It does so by starting 2 inferiors with 3 threads each.
# - Thread 1 of each inferior is the main thread, starting the others.
# - Thread 2 of each inferior is stopped at /* thread loop line */.
# - Thread 3 of each inferior is either stopped at /* thread loop line */, if we
# are using all-stop, or running, if we are using non-stop.
# Do not run if gdb debug is enabled as it doesn't work for separate-mi-tty.
if [gdb_debug_enabled] {
untested "debug is enabled"
return 0
}
load_lib mi-support.exp
standard_testfile
# Multiple inferiors are needed, therefore only native gdb and extended
# gdbserver modes are supported.
if [use_gdb_stub] {
untested "using gdb stub"
return
}
set compile_options "debug pthreads"
if {[build_executable $testfile.exp $testfile ${srcfile} ${compile_options}] == -1} {
untested "failed to compile"
return -1
}
set main_break_line [gdb_get_line_number "main break line"]
set thread_loop_line [gdb_get_line_number "thread loop line"]
set thread_caller_line [gdb_get_line_number "thread caller line"]
# Return whether we expect thread THREAD to be running in mode MODE.
#
# MODE can be either "all-stop" or "non-stop".
# THREAD can be either a CLI thread id (e.g. 2.3) or an MI thread id (e.g. 6).
proc thread_is_running { mode thread } {
if { $mode != "non-stop" } {
return 0
}
return [expr {
$thread == 1.3
|| $thread == 2.3
|| $thread == 3
|| $thread == 6
}]
}
# Make a regular expression to match the various inferior/thread/frame selection
# events for CLI.
#
# MODE can be either "all-stop" or "non-stop", indicating which one is currently
# in use.
# INF is the inferior number we are expecting GDB to switch to, or -1 if we are
# not expecting GDB to announce an inferior switch.
# THREAD is the thread number we are expecting GDB to switch to, or -1 if we are
# not expecting GDB to announce a thread switch.
# FRAME is the frame number we are expecting GDB to switch to, or -1 if we are
# not expecting GDB to announce a frame switch. See the FRAME_RE variable for
# details.
proc make_cli_re { mode inf thread frame } {
global srcfile
global thread_caller_line
global thread_loop_line
global main_break_line
global decimal
set any "\[^\r\n\]*"
set cli_re ""
set inf_re "\\\[Switching to inferior $inf${any}\\\]"
set all_stop_thread_re "\\\[Switching to thread [string_to_regexp $thread]${any}\\\]"
set frame_re(0) "#0${any}child_sub_function$any$srcfile:$thread_loop_line\r\n${any}thread loop line \\\*/"
set frame_re(1) "#1${any}child_function \\\(args=0x0\\\) at ${any}$srcfile:$thread_caller_line\r\n$thread_caller_line${any}/\\\* thread caller line \\\*/"
# Special frame for main thread.
set frame_re(2) "#0${any}\r\n${main_break_line}${any}"
if { $inf != -1 } {
append cli_re $inf_re
}
if { $thread != -1 } {
if { $inf != -1 } {
append cli_re "\r\n"
}
set thread_re $all_stop_thread_re
if [thread_is_running $mode $thread] {
set thread_re "$thread_re\\\(running\\\)"
}
append cli_re $thread_re
}
if { $frame != -1 } {
if { $thread != -1 } {
append cli_re "\r\n"
}
append cli_re $frame_re($frame)
}
return $cli_re
}
# Make a regular expression to match the various inferior/thread/frame selection
# events for MI.
#
# MODE can be either "all-stop" or "non-stop", indicating which one is currently
# in use.
# THREAD is the thread number we are expecting GDB to switch to, or -1 if we are
# not expecting GDB to announce a thread switch.
# If EVENT is 1, build a regex for an "=thread-selected" async event.
# Otherwise, build a regex for a response to a command.
# FRAME is the frame number we are expecting GDB to switch to, or -1 if we are
# not expecting GDB to announce a frame switch. See the FRAME_RE variable for
# details.
proc make_mi_re { mode thread frame type } {
global srcfile
global hex
global decimal
global thread_loop_line
global main_break_line
global thread_caller_line
set any "\[^\r\n\]*"
set mi_re ""
set thread_event_re "=thread-selected,id=\"$thread\""
set thread_answer_re "\\^done,new-thread-id=\"$thread\""
set frame_re(0) ",frame=\{level=\"0\",addr=\"$hex\",func=\"child_sub_function\",args=\\\[\\\],file=\"${any}${srcfile}\",fullname=\"${any}${srcfile}\",line=\"$thread_loop_line\",arch=\"$any\"\}"
set frame_re(1) ",frame=\{level=\"1\",addr=\"$hex\",func=\"child_function\",args=\\\[\{name=\"args\",value=\"0x0\"\}\\\],file=\"${any}${srcfile}\",fullname=\"${any}${srcfile}\",line=\"$thread_caller_line\",arch=\"$any\"\}"
# Special frame for main thread.
set frame_re(2) ",frame=\{level=\"0\",addr=\"$hex\",func=\"main\",args=\\\[\\\],file=\"${any}${srcfile}\",fullname=\"${any}${srcfile}\",line=\"${main_break_line}\",arch=\"$any\"\}"
if { $thread != -1 } {
if { $type == "event" } {
append mi_re $thread_event_re
} elseif { $type == "response" } {
append mi_re $thread_answer_re
} else {
error "Invalid value for EVENT."
}
}
if { $frame != -1 } {
append mi_re $frame_re($frame)
}
if { $type == "event" } {
append mi_re "\r\n"
}
return $mi_re
}
# Make a regular expression to match the various inferior/thread/frame selection
# events when issuing CLI commands inside MI.
#
# COMMAND is the CLI command that was sent to GDB, which will be output in the
# console output stream.
# CLI_IN_MI_MODE indicates which method of CLI-in-MI command is used. It can be
# either "direct" of "interpreter-exec".
# MODE can be either "all-stop" or "non-stop", indicating which one is currently
# in use.
# If EVENT is 1, expect a =thread-select MI event.
# INF is the inferior number we are expecting GDB to switch to, or -1 if we are
# not expecting GDB to announce an inferior switch.
# CLI_THREAD is the thread number as seen in the CLI (inferior-qualified) we are
# expecting GDB to switch to, or -1 if we are not expecting GDB to announce a
# thread switch.
# MI_THREAD is the thread number as seen in the MI (global number) we are
# expecting GDB to switch to, or -1 if we are not expecting GDB to announce a
# thread switch.
# FRAME is the frame number we are expecting GDB to switch to, or -1 if we are
# not expecting GDB to announce a frame switch. See the FRAME_RE variable for
# details.
proc make_cli_in_mi_re { command cli_in_mi_mode mode event inf cli_thread
mi_thread frame } {
global srcfile
global thread_loop_line
global main_break_line
global thread_caller_line
set any "\[^\r\n\]*"
set command_re [string_to_regexp $command]
set cli_in_mi_re "$command_re\r\n"
if { $cli_in_mi_mode == "direct" } {
append cli_in_mi_re "&\"$command_re\\\\n\"\r\n"
}
set frame_re(0) "~\"#0${any}child_sub_function${any}$srcfile:$thread_loop_line\\\\n\"\r\n~\"${thread_loop_line}${any}thread loop line \\\*/\\\\n\"\r\n"
set frame_re(1) "~\"#1${any}child_function \\\(args=0x0\\\) at ${any}$srcfile:$thread_caller_line\\\\n\"\r\n~\"$thread_caller_line${any}thread caller line \\\*/\\\\n\"\r\n"
# Special frame for main thread.
set frame_re(2) "~\"#0${any}main${any}\\\\n\"\r\n~\"${main_break_line}${any}\"\r\n"
if { $inf != -1 } {
append cli_in_mi_re "~\""
append cli_in_mi_re [make_cli_re $mode $inf -1 -1]
append cli_in_mi_re "\\\\n\"\r\n"
}
if { $cli_thread != "-1" } {
append cli_in_mi_re "~\""
append cli_in_mi_re [make_cli_re $mode -1 $cli_thread -1]
append cli_in_mi_re "\\\\n\"\r\n"
}
if { $frame != -1 } {
append cli_in_mi_re $frame_re($frame)
}
if { $event == 1 } {
append cli_in_mi_re [make_mi_re $mode $mi_thread $frame event]
}
append cli_in_mi_re "\\^done"
return $cli_in_mi_re
}
# Return the current value of the "scheduler-locking" parameter.
proc show_scheduler_locking { } {
global gdb_prompt
global expect_out
set any "\[^\r\n\]*"
set test "show scheduler-locking"
gdb_test_multiple $test $test {
-re ".*Mode for locking scheduler during execution is \"(${any})\".\r\n$gdb_prompt " {
pass $test
return $expect_out(1,string)
}
}
error "Couldn't get current scheduler-locking value."
}
# Prepare inferior INF so it is in the state we expect (see comment at the top).
proc test_continue_to_start { mode inf } {
global gdb_spawn_id
global mi_spawn_id
global gdb_main_spawn_id
global srcfile
global main_break_line
global thread_loop_line
global decimal
global gdb_prompt
set any "\[^\r\n\]*"
if { $gdb_spawn_id != $gdb_main_spawn_id } {
error "This should not happen."
}
with_test_prefix "inferior $inf" {
with_spawn_id $gdb_main_spawn_id {
# Continue to the point where we know for sure the threads are
# started.
gdb_test "tbreak $srcfile:$main_break_line" \
"Temporary breakpoint ${any}" \
"set breakpoint in main"
gdb_continue_to_breakpoint "main breakpoint"
# Consume MI event output.
with_spawn_id $mi_spawn_id {
mi_expect_stop "breakpoint-hit" "main" "" "$srcfile" \
"$decimal" {"" "disp=\"del\""} "stop at breakpoint in main"
}
if { $mode == "all-stop" } {
set previous_schedlock_val [show_scheduler_locking]
# Set scheduler-locking on, so that we can control threads
# independently.
gdb_test_no_output "set scheduler-locking on"
# Continue each child thread to the point we want them to be.
foreach thread { 2 3 } {
gdb_test "thread $inf.$thread" ".*" "select child thread $inf.$thread"
gdb_test "tbreak $srcfile:$thread_loop_line" \
"Temporary breakpoint ${any}" \
"set breakpoint for thread $inf.$thread"
gdb_continue_to_breakpoint "continue thread $inf.$thread to infinite loop breakpoint"
# Consume MI output.
with_spawn_id $mi_spawn_id {
mi_expect_stop "breakpoint-hit" "child_sub_function" \
"" "$srcfile" "$decimal" {"" "disp=\"del\""} \
"thread $inf.$thread stops MI"
}
}
# Restore scheduler-locking to its original value.
gdb_test_no_output "set scheduler-locking $previous_schedlock_val"
} else { # $mode == "non-stop"
# Put a thread-specific breakpoint for thread 2 of the current
# inferior. We don't put a breakpoint for thread 3, since we
# want to let it run.
set test "set thread-specific breakpoint, thread $inf.2"
gdb_test_multiple "tbreak $srcfile:$thread_loop_line thread $inf.2" $test {
-re "Temporary breakpoint ${any}\r\n$gdb_prompt " {
pass $test
}
}
# Confirm the stop of thread $inf.2.
set test "thread $inf.2 stops CLI"
gdb_test_multiple "" $test {
-re "Thread $inf.2 ${any} hit Temporary breakpoint ${any}\r\n$thread_loop_line${any}\r\n" {
pass $test
}
}
# Consume MI output.
with_spawn_id $mi_spawn_id {
mi_expect_stop "breakpoint-hit" "child_sub_function" \
"" "$srcfile" "$decimal" {"" "disp=\"del\""} \
"thread $inf.2 stops MI"
}
}
}
}
}
# Prepare the test environment.
#
# MODE can be either "all-stop" or "non-stop".
proc_with_prefix test_setup { mode } {
global srcfile
global srcdir
global subdir
global gdb_main_spawn_id
global mi_spawn_id
global decimal
global binfile
global GDBFLAGS
global async
set any "\[^\r\n\]*"
mi_gdb_exit
save_vars { GDBFLAGS } {
if { $mode == "non-stop" } {
set GDBFLAGS [concat $GDBFLAGS " -ex \"set non-stop 1\""]
}
if { [mi_gdb_start "separate-mi-tty"] != 0 } {
return -1
}
}
mi_delete_breakpoints
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_load $binfile
if { [mi_runto_main] < 0 } {
return -1
}
# When using mi_expect_stop, we don't expect a prompt after the *stopped
# event, since the blocking commands are done from the CLI. Setting async
# to 1 makes it not expect the prompt.
set async 1
with_spawn_id $gdb_main_spawn_id {
# Add the second inferior now. While this is not mandatory, it allows
# us to assume that per-inferior thread numbering will be used,
# simplifying test_continue_to_start a bit (Thread 1.2 and not Thread 2).
gdb_test "add-inferior" "Added inferior 2 on connection .*" "add inferior 2"
# Prepare the first inferior for the test.
test_continue_to_start $mode 1
# Switch to and start the second inferior.
gdb_test "inferior 2" "\\\[Switching to inferior 2${any}\\\]" "switch to inferior 2"
gdb_load ${binfile}
# Doing "start" on the CLI generates a ton of MI output. At some point,
# if we don't consume/match it, the buffer between GDB's MI channel and
# Expect will get full, GDB will block on a write system call and we'll
# deadlock, waiting for CLI output that will never arrive. And then
# we're sad. So instead of using gdb_test and expect CLI output, send
# the start command first, then consume MI output, and finally consume
# CLI output.
send_gdb "start\n"
with_spawn_id $mi_spawn_id {
mi_expect_stop "breakpoint-hit" "main" "" "$srcfile" "$decimal" \
{"" "disp=\"del\""} "main stop"
}
# Consume CLI output.
gdb_test "" "Temporary breakpoint.*Starting program.*"
# Prepare the second inferior for the test.
test_continue_to_start $mode 2
}
return 0
}
# Reset the selection to frame #0 of thread THREAD.
proc reset_selection { thread } {
global gdb_main_spawn_id
set any "\[^\r\n\]*"
with_spawn_id $gdb_main_spawn_id {
gdb_test "thread $thread" \
"\\\[Switching to thread $thread ${any}\\\].*" \
"reset selection to thread $thread"
gdb_test "frame 0" ".*" "reset selection to frame 0"
}
}
# Flush Expect's internal buffers for both CLI and MI.
#
# The idea here is to send a command, and to consume all the characters that we
# expect that command to output, including the following prompt. Using gdb_test
# and mi_gdb_test should do that.
proc flush_buffers { } {
global gdb_main_spawn_id mi_spawn_id
with_spawn_id $gdb_main_spawn_id {
gdb_test "print 444" "= 444" "flush CLI"
}
with_spawn_id $mi_spawn_id {
mi_gdb_test "555-data-evaluate-expression 666" ".*done,value=\"666\"" "flush MI"
}
}
# Run a command on the current spawn id, to confirm that no output is pending
# in Expect's internal buffer. This is used to ensure that nothing was output
# on the spawn id since the call to gdb_test/mi_gdb_test/flush_buffers.
#
# The key here is that the regexes use start-of-buffer anchors (^), ensuring
# that they match the entire buffer, confirming that there was nothing in it
# before.
proc ensure_no_output { test } {
global gdb_spawn_id gdb_main_spawn_id mi_spawn_id
global decimal
if { $gdb_spawn_id == $gdb_main_spawn_id } {
# CLI
gdb_test "print 666" \
"^print 666\r\n\\\$$decimal = 666" \
"$test, ensure no output CLI"
} elseif { $gdb_spawn_id == $mi_spawn_id } {
# MI
mi_gdb_test "777-data-evaluate-expression 888" \
"^777-data-evaluate-expression 888\r\n777\\^done,value=\"888\"" \
"$test, ensure no output MI"
} else {
error "Unexpected gdb_spawn_id value."
}
}
# Match a regular expression, or ensure that there was no output.
#
# If RE is non-empty, try to match the content of the program output (using the
# current spawn_id) and pass/fail TEST accordingly.
# If RE is empty, ensure that the program did not output anything.
proc match_re_or_ensure_no_output { re test } {
if { $re != "" } {
gdb_expect {
-re "$re" {
pass $test
}
default {
fail $test
}
}
} else {
ensure_no_output $test
}
}
# Test selecting an inferior from CLI.
proc_with_prefix test_cli_inferior { mode } {
global gdb_main_spawn_id mi_spawn_id
reset_selection "1.1"
set mi_re [make_mi_re $mode 4 2 event]
set cli_re [make_cli_re $mode 2 2.1 2]
flush_buffers
# Do the 'inferior' command.
with_spawn_id $gdb_main_spawn_id {
gdb_test "inferior 2" $cli_re "CLI select inferior"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "event on MI"
}
# Do the 'inferior' command on the currently selected inferior. For now,
# GDB naively re-outputs everything.
with_spawn_id $gdb_main_spawn_id {
gdb_test "inferior 2" $cli_re "CLI select inferior again"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "event on MI again"
}
}
# Test thread selection from CLI.
proc_with_prefix test_cli_thread { mode } {
global gdb_main_spawn_id
global mi_spawn_id
set any "\[^\r\n\]*"
reset_selection "1.1"
flush_buffers
with_test_prefix "thread 1.2" {
# Do the 'thread' command to select a stopped thread.
set mi_re [make_mi_re $mode 2 0 event]
set cli_re [make_cli_re $mode -1 1.2 0]
with_spawn_id $gdb_main_spawn_id {
gdb_test "thread 1.2" $cli_re "select thread"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "select thread, event on MI "
}
# Do the 'thread' command to select the same thread. We shouldn't receive
# an event on MI, since we won't actually switch thread.
set mi_re ""
with_spawn_id $gdb_main_spawn_id {
gdb_test "thread 1.2" $cli_re "select thread again"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "select thread, event on MI again"
}
# Try the 'thread' command without arguments.
set cli_re "\\\[Current thread is 1\\.2.*\\\]"
set mi_re ""
with_spawn_id $gdb_main_spawn_id {
gdb_test "thread" $cli_re "thread without args"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "thread without args, event on MI"
}
}
with_test_prefix "thread 1.3" {
# Do the 'thread' command to select the third thread, stopped on all-stop,
# running on non-stop.
if { $mode == "all-stop" } {
set cli_re [make_cli_re $mode -1 1.3 0]
set mi_re [make_mi_re $mode 3 0 event]
} else {
set cli_re [make_cli_re $mode -1 1.3 -1]
set mi_re [make_mi_re $mode 3 -1 event]
}
with_spawn_id $gdb_main_spawn_id {
gdb_test "thread 1.3" $cli_re "select thread"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "select thread, event on MI"
}
# Do the 'thread' command to select the third thread again. Again, we
# shouldn't receive an event on MI.
set mi_re ""
with_spawn_id $gdb_main_spawn_id {
gdb_test "thread 1.3" $cli_re "select thread again"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "select thread again, event on MI"
}
# Try the 'thread' command without arguments.
set cli_re "\\\[Current thread is 1\\.3 ${any}\\\]"
set mi_re ""
with_spawn_id $gdb_main_spawn_id {
gdb_test "thread" $cli_re "thread without args"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "thread without args, event on MI"
}
}
# Idea for the future: selecting a thread in a different inferior. For now,
# GDB doesn't show an inferior switch, but if it did, it would be a nice
# place to test it.
}
# Test frame selection from CLI.
proc_with_prefix test_cli_frame { mode } {
global gdb_main_spawn_id mi_spawn_id
with_test_prefix "thread 1.2" {
reset_selection "1.2"
flush_buffers
# Do the 'frame' command to select frame 1.
set mi_re [make_mi_re $mode 2 1 event]
set cli_re [make_cli_re $mode -1 -1 1]
with_spawn_id $gdb_main_spawn_id {
gdb_test "frame 1" $cli_re "select frame 1"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "select frame 1, event on MI"
}
# Do the 'frame' command to select the same frame. This time we don't
# expect an event on MI, since we won't actually change frame.
set mi_re ""
with_spawn_id $gdb_main_spawn_id {
gdb_test "frame 1" $cli_re "select frame 1 again"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "select frame 1 again, event on MI"
}
# Do the 'frame' command without arguments. We shouldn't see anything on MI.
with_spawn_id $gdb_main_spawn_id {
gdb_test "frame" $cli_re "frame without args"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "frame without args, event on MI"
}
}
with_test_prefix "thread 1.3" {
# Now, try the 'frame' command on thread 3, which is running if we are in
# non-stop mode.
reset_selection "1.3"
flush_buffers
if {$mode == "all-stop"} {
set mi_re [make_mi_re $mode 3 1 event]
set cli_re [make_cli_re $mode -1 -1 1]
} elseif {$mode == "non-stop"} {
set mi_re ""
set cli_re "Selected thread is running\\."
}
with_spawn_id $gdb_main_spawn_id {
gdb_test "frame 1" $cli_re "select frame 1"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "select frame 1, event on MI"
}
# Do the 'frame' command without arguments.
if { $mode == "non-stop" } {
set cli_re "No stack\\."
}
set mi_re ""
with_spawn_id $gdb_main_spawn_id {
gdb_test "frame" $cli_re "frame without args"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "frame without args, event on MI"
}
}
}
# Test frame selection from CLI with the select-frame command.
proc_with_prefix test_cli_select_frame { mode } {
global gdb_main_spawn_id mi_spawn_id expect_out
with_test_prefix "thread 1.2" {
reset_selection "1.2"
flush_buffers
# Do the 'select-frame' command to select frame 1.
set mi_re [make_mi_re $mode 2 1 event]
with_spawn_id $gdb_main_spawn_id {
gdb_test_no_output "select-frame 1" "select frame 1"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "select frame 1, event on MI"
}
# Do the 'select-frame' command to select the same frame. This time we expect to
# event on MI, since we won't actually change frame.
set mi_re ""
with_spawn_id $gdb_main_spawn_id {
gdb_test_no_output "select-frame 1" "select frame 1 again"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "select frame 1 again, event on MI"
}
}
with_test_prefix "thread 1.3" {
# Now, try the 'select-frame' command on thread 3, which is running if we are in
# non-stop mode.
reset_selection "1.3"
flush_buffers
if {$mode == "all-stop"} {
set mi_re [make_mi_re $mode 3 1 event]
} elseif {$mode == "non-stop"} {
set mi-re ""
set cli_re "Selected thread is running\\."
}
with_spawn_id $gdb_main_spawn_id {
if { $mode == "all-stop" } {
gdb_test_no_output "select-frame 1" "select frame 1"
} else {
gdb_test "select-frame 1" $cli_re "select frame 1"
}
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "select frame 1, event on MI"
}
}
}
# Test doing an up and then down command from CLI.
proc_with_prefix test_cli_up_down { mode } {
global gdb_main_spawn_id mi_spawn_id
reset_selection "1.2"
flush_buffers
# Try doing an 'up'.
set mi_re [make_mi_re $mode 2 1 event]
set cli_re [make_cli_re $mode -1 -1 1]
with_spawn_id $gdb_main_spawn_id {
gdb_test "up" $cli_re "frame up"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "frame up, event on MI"
}
# Try doing a 'down'.
set mi_re [make_mi_re $mode 2 0 event]
set cli_re [make_cli_re $mode -1 -1 0]
with_spawn_id $gdb_main_spawn_id {
gdb_test "down" $cli_re "frame down"
}
with_spawn_id $mi_spawn_id {
match_re_or_ensure_no_output $mi_re "frame down, event on MI"
}
}
# Test selecting a thread from MI.
proc_with_prefix test_mi_thread_select { mode } {
global gdb_main_spawn_id mi_spawn_id
reset_selection "1.1"
flush_buffers
with_test_prefix "thread 1.2" {
# Do the '-thread-select' command to select a stopped thread.
set mi_re [make_mi_re $mode 2 0 response]
set cli_re [make_cli_re $mode -1 1.2 0]
with_spawn_id $mi_spawn_id {
mi_gdb_test "-thread-select 2" $mi_re "-thread-select"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output "$cli_re\r\n" "-thread-select, event on CLI"
}
# Do the '-thread-select' command to select the same thread. We
# shouldn't receive an event on CLI, since we won't actually switch
# thread.
set cli_re ""
with_spawn_id $mi_spawn_id {
mi_gdb_test "-thread-select 2" $mi_re "-thread-select again"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "-thread-select again, event on CLI"
}
}
with_test_prefix "thread 1.3" {
# Do the '-thread-select' command to select the third thread, stopped on all-stop,
# running on non-stop.
if { $mode == "all-stop" } {
set mi_re [make_mi_re $mode 3 0 response]
set cli_re [make_cli_re $mode -1 1.3 0]
} else {
set mi_re [make_mi_re $mode 3 -1 response]
set cli_re [make_cli_re $mode -1 1.3 -1]
}
with_spawn_id $mi_spawn_id {
mi_gdb_test "-thread-select 3" $mi_re "-thread-select"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output "$cli_re\r\n" "-thread-select, event on CLI"
}
# Do the 'thread' command to select the third thread again. Again, we
# shouldn't receive an event on MI.
set cli_re ""
with_spawn_id $mi_spawn_id {
mi_gdb_test "-thread-select 3" $mi_re "-thread-select again"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "-thread-select again, event on CLI"
}
}
with_test_prefix "thread 1.2 with --thread 2" {
# Test selecting a thread from MI with a --thread option. This test
# verifies that even if the thread GDB would switch to is the same as
# the thread specified with --thread, an event is still sent to CLI.
# In this case this is thread 1.2
set mi_re [make_mi_re $mode 2 0 response]
set cli_re [make_cli_re $mode -1 1.2 0]
with_spawn_id $mi_spawn_id {
mi_gdb_test "-thread-select --thread 2 2" $mi_re "-thread-select"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output "$cli_re\r\n" "-thread-select, event on cli"
}
}
with_test_prefix "thread 1.2 with --thread 3" {
# Test selecting a thread from MI with a --thread option.
# This test verifies that when different thread numbers are
# passed to the --thread option and the underlying
# -thread-select command, the correct thread is selected.
# In this case this is thread 1.2
reset_selection "1.1"
set mi_re [make_mi_re $mode 2 0 response]
set cli_re [make_cli_re $mode -1 1.2 0]
with_spawn_id $mi_spawn_id {
mi_gdb_test "-thread-select --thread 3 2" $mi_re "-thread-select"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output "$cli_re\r\n" "-thread-select, event on cli"
}
}
# Idea for the future: selecting a thread in a different inferior. For now,
# GDB doesn't show an inferior switch, but if it did, it would be a nice
# place to test it.
}
proc_with_prefix test_mi_stack_select_frame { mode } {
global gdb_main_spawn_id mi_spawn_id
with_test_prefix "thread 1.2" {
reset_selection "1.2"
flush_buffers
# Do the '-stack-select-frame' command to select frame 1.
set mi_re "\\^done"
set cli_re [make_cli_re $mode -1 -1 1]
with_spawn_id $mi_spawn_id {
mi_gdb_test "-stack-select-frame 1" $mi_re "-stack-select-frame"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output "$cli_re\r\n" "-stack-select-frame, event on CLI"
}
# Do the '-stack-select-frame' command to select the same frame. This time we don't
# expect an event on CLI, since we won't actually change frame.
set cli_re ""
with_spawn_id $mi_spawn_id {
mi_gdb_test "-stack-select-frame 1" $mi_re "-stack-select-frame again"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "-stack-select-frame again, event on CLI"
}
# Now use the '-stack-select-frame' command with the --frame
# option, this verifies that even when the frame GDB would
# swith to is the same as the frame specified with --frame, an
# event is still sent to the CLI.
set cli_re [make_cli_re $mode -1 -1 0]
with_spawn_id $mi_spawn_id {
mi_gdb_test "-stack-select-frame --thread 2 --frame 0 0" $mi_re
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output "$cli_re\r\n" "-stack-select-frame with --frame 0, event on CLI"
}
# Now use the '-stack-select-frame' command with the --frame
# option, this verifies that the correct event is sent to the
# CLI when the frame specified with --frame is different to
# the actual frame selected.
set cli_re [make_cli_re $mode -1 -1 1]
with_spawn_id $mi_spawn_id {
mi_gdb_test "-stack-select-frame --thread 2 --frame 2 1" $mi_re
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output "$cli_re\r\n" "-stack-select-frame with --frame 2, event on CLI"
}
}
with_test_prefix "thread 1.3" {
# Now, try the '-stack-select-frame' command on thread 3, which is
# running if we are in non-stop mode.
reset_selection "1.3"
flush_buffers
if {$mode == "all-stop"} {
set mi_re "\\^done"
set cli_re [make_cli_re $mode -1 -1 1]
append cli_re "\r\n"
} elseif {$mode == "non-stop"} {
set cli_re ""
set mi_re "\\^error,msg=\"Selected thread is running\\.\""
}
with_spawn_id $mi_spawn_id {
mi_gdb_test "-stack-select-frame 1" $mi_re "-stack-select-frame"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "-stack-select-frame, event on CLI"
}
}
}
proc make_cli_in_mi_command { cli_in_mi_mode command } {
if { $cli_in_mi_mode == "direct" } {
return $command
} elseif { $cli_in_mi_mode == "interpreter-exec" } {
return "-interpreter-exec console \"$command\""
} else {
error "Invalid value for CLI_IN_MI_MODE."
}
}
# Test selecting the inferior using a CLI command in the MI channel.
proc_with_prefix test_cli_in_mi_inferior { mode cli_in_mi_mode } {
global gdb_main_spawn_id mi_spawn_id
reset_selection "1.1"
flush_buffers
set command [make_cli_in_mi_command $cli_in_mi_mode "inferior 2"]
set mi_re [make_cli_in_mi_re $command $cli_in_mi_mode $mode 1 2 2.1 4 2]
set cli_re [make_cli_re $mode 2 "2.1" 2]
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "select inferior"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output "$cli_re\r\n" "select inferior, event on CLI"
}
# Do the 'inferior' command on the currently selected inferior. For now,
# GDB naively re-outputs everything.
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "select inferior again"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "select inferior again, event on CLI"
}
}
# Test selecting the thread using a CLI command in the MI channel.
proc_with_prefix test_cli_in_mi_thread { mode cli_in_mi_mode } {
global gdb_main_spawn_id mi_spawn_id
reset_selection "1.1"
flush_buffers
with_test_prefix "thread 1.2" {
# Do the 'thread' command to select a stopped thread.
set command [make_cli_in_mi_command $cli_in_mi_mode "thread 1.2"]
set mi_re [make_cli_in_mi_re $command $cli_in_mi_mode $mode 1 -1 1.2 2 0]
set cli_re [make_cli_re $mode -1 1.2 0]
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "select thread"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output "$cli_re\r\n" "select thread, event on CLI"
}
# Do the 'thread' command to select the same thread. We shouldn't
# receive an event on CLI, since we won't actually switch thread.
set mi_re [make_cli_in_mi_re $command $cli_in_mi_mode $mode 0 -1 1.2 2 0]
set cli_re ""
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "select thread again"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "select thread again, event on CLI"
}
# Try the 'thread' command without arguments.
set command [make_cli_in_mi_command $cli_in_mi_mode "thread"]
set mi_re "${command}.*~\"\\\[Current thread is 1\\.2.*\\\]\\\\n\".*\\^done"
set cli_re ""
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "thread without args"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "thread without args, event on CLI"
}
}
with_test_prefix "thread 1.3" {
# Do the 'thread' command to select the third thread, stopped on
# all-stop, running on non-stop.
set command [make_cli_in_mi_command $cli_in_mi_mode "thread 1.3"]
if { $mode == "all-stop" } {
set mi_re [make_cli_in_mi_re $command $cli_in_mi_mode $mode 1 -1 1.3 3 0]
set cli_re [make_cli_re $mode -1 "1.3" 0]
} else {
set mi_re [make_cli_in_mi_re $command $cli_in_mi_mode $mode 1 -1 1.3 3 -1]
set cli_re [make_cli_re $mode -1 "1.3" -1]
}
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "select thread"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output "$cli_re\r\n" "select thread, event on CLI"
}
# Do the 'thread' command to select the third thread again. Again, we
# shouldn't receive an event on MI.
if { $mode == "all-stop" } {
set mi_re [make_cli_in_mi_re $command $cli_in_mi_mode $mode 0 -1 1.3 3 0]
} else {
set mi_re [make_cli_in_mi_re $command $cli_in_mi_mode $mode 0 -1 1.3 3 -1]
}
set cli_re ""
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "select thread again"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "select thread again, event on CLI"
}
# Try the 'thread' command without arguments.
set command [make_cli_in_mi_command $cli_in_mi_mode "thread"]
set mi_re "${command}.*~\"\\\[Current thread is 1\\.3.*\\\]\\\\n\".*\\^done"
set cli_re ""
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "thread without args"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "thread without args, event on CLI"
}
}
# Idea for the future: selecting a thread in a different inferior. For now,
# GDB doesn't show an inferior switch, but if it did, it would be a nice
# place to test it.
}
# Test selecting the frame using a CLI command in the MI channel.
proc_with_prefix test_cli_in_mi_frame { mode cli_in_mi_mode } {
global gdb_main_spawn_id mi_spawn_id
with_test_prefix "thread 1.2" {
reset_selection "1.2"
flush_buffers
# Do the 'frame' command to select frame 1.
set command [make_cli_in_mi_command $cli_in_mi_mode "frame 1"]
set cli_re [make_cli_re $mode -1 -1 1]
set mi_re [make_cli_in_mi_re $command $cli_in_mi_mode $mode 1 -1 -1 2 1]
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "select frame 1"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output "$cli_re\r\n" "select frame 1, event on CLI"
}
# Do the 'frame' command to select the same frame. This time we don't
# expect an event on MI, since we won't actually change frame.
set mi_re [make_cli_in_mi_re $command $cli_in_mi_mode $mode 0 -1 -1 2 1]
set cli_re ""
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "select frame 1 again"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "select frame 1 again, event on CLI"
}
# Do the 'frame' command without arguments. We shouldn't see anything on MI.
set command [make_cli_in_mi_command $cli_in_mi_mode "frame"]
set mi_re [make_cli_in_mi_re $command $cli_in_mi_mode $mode 0 -1 -1 2 1]
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "frame without args"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "frame without args, event on CLI"
}
}
with_test_prefix "thread 1.3" {
# Now, try the 'frame' command on thread 3, which is running if we are in
# non-stop mode.
reset_selection "1.3"
flush_buffers
set command [make_cli_in_mi_command $cli_in_mi_mode "frame 1"]
if {$mode == "all-stop"} {
set cli_re [make_cli_re $mode -1 -1 1]
append cli_re "\r\n"
set mi_re [make_cli_in_mi_re $command $cli_in_mi_mode $mode 1 -1 -1 3 1]
} elseif {$mode == "non-stop"} {
set cli_re ""
set mi_re "\\^error,msg=\"Selected thread is running\\.\".*"
}
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "select frame 1"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "select frame 1, event on CLI"
}
# Do the 'frame' command without arguments.
set command [make_cli_in_mi_command $cli_in_mi_mode "frame"]
if { $mode == "all-stop" } {
set mi_re [make_cli_in_mi_re $command $cli_in_mi_mode $mode 0 -1 -1 -1 1]
} else {
set mi_re "\\^error,msg=\"No stack\\.\""
}
set cli_re ""
with_spawn_id $mi_spawn_id {
mi_gdb_test $command $mi_re "frame without args"
}
with_spawn_id $gdb_main_spawn_id {
match_re_or_ensure_no_output $cli_re "frame without args, event on CLI"
}
}
}
foreach_with_prefix mode { "all-stop" "non-stop" } {
set test "setup done"
if { [test_setup $mode] == -1 } {
fail $test
continue
}
pass $test
# Test selecting inferior, thread and frame from CLI
test_cli_inferior $mode
test_cli_thread $mode
test_cli_frame $mode
test_cli_select_frame $mode
test_cli_up_down $mode
# Test selecting thread and frame from MI
test_mi_thread_select $mode
test_mi_stack_select_frame $mode
# Test some CLI commands sent through MI, both with a "direct" command,
# such as "thread 1", and with -interpreter-exec, such as
# '-interpreter-exec console "thread 1"'.
foreach_with_prefix exec_mode {"direct" "interpreter-exec"} {
test_cli_in_mi_inferior $mode $exec_mode
test_cli_in_mi_thread $mode $exec_mode
test_cli_in_mi_frame $mode $exec_mode
}
}