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# Copyright (C) 2024-2025 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/>.
require !gdb_protocol_is_remote
standard_testfile
if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug}] == -1} {
return -1
}
set command "$binfile"
set res [remote_spawn host $command]
if { ![gdb_assert { ![expr {$res < 0 || $res == ""}] } "spawn inferior"] } {
return
}
# The spawn id of the test inferior.
set test_spawn_id $res
# Wait for the spawned program to loop.
set test "wait for inferior to loop"
gdb_expect {
-re "looping\r\n" {
pass $test
}
eof {
fail "$test (eof)"
return
}
timeout {
fail "$test (timeout)"
return
}
}
# The test case uses a very simple notification not to get caught by attach on
# exiting the function.
set test "spawn gstack"
set pid [spawn_id_get_pid $test_spawn_id]
set gstack_cmd [findfile $base_dir/../../gdb/gstack]
set command "sh -c GDB=$GDB\\ GDBARGS=-data-directory\\\\\\ $GDB_DATA_DIRECTORY\\ $gstack_cmd\\ $pid\\;echo\\ GSTACK-END"
set res [remote_spawn host $command]
if { ![gdb_assert { ![expr {$res < 0 || $res == ""}] } $test] } {
return
}
set test "got backtrace"
set saw_backtrace false
set no_awk false
set location_re ${srcfile}:${decimal}
gdb_test_multiple "" $test {
-i "$res" -re "#0 +(0x\[0-9a-f\]+ in )?main \(\).*$location_re.*\r\nGSTACK-END\r\n\$" {
set saw_backtrace true
pass $test
exp_continue
}
-i "$res" "could not find usable awk interpreter" {
set no_awk true
exp_continue
}
eof {
set result [wait -i $res]
verbose $result
gdb_assert { [lindex $result 2] == 0 } "gstack exits with no error"
gdb_assert { [lindex $result 3] == 0 } "gstack's exit status is 0"
remote_close host
}
}
if {$no_awk} {
unsupported "no awk interpreter found"
} elseif {!$saw_backtrace} {
fail $test
}
# Kill the test inferior.
kill_wait_spawned_process $test_spawn_id
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