1 files changed, 92 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/gstack.exp b/gdb/testsuite/gdb.base/gstack.exp
new file mode 100644
index 0000000..1ad1402
--- /dev/null
+++ b/gdb/testsuite/gdb.base/gstack.exp
@@ -0,0 +1,92 @@
+# Copyright (C) 2024 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
+gdb_test_multiple "" $test {
+    -i "$res" -re "#0 +(0x\[0-9a-f\]+ in )?main \(\).*\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