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      1 # Copyright (C) 2024-2025 Free Software Foundation, Inc.
      2 
      3 # This program is free software; you can redistribute it and/or modify
      4 # it under the terms of the GNU General Public License as published by
      5 # the Free Software Foundation; either version 3 of the License, or
      6 # (at your option) any later version.
      7 #
      8 # This program is distributed in the hope that it will be useful,
      9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     11 # GNU General Public License for more details.
     12 #
     13 # You should have received a copy of the GNU General Public License
     14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
     15 
     16 require !gdb_protocol_is_remote
     17 standard_testfile
     18 
     19 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug}] == -1} {
     20     return -1
     21 }
     22 
     23 set command "$binfile"
     24 set res [remote_spawn host $command]
     25 if { ![gdb_assert { ![expr {$res < 0 || $res == ""}] } "spawn inferior"] } {
     26     return
     27 }
     28 
     29 # The spawn id of the test inferior.
     30 set test_spawn_id $res
     31 
     32 # Wait for the spawned program to loop.
     33 set test "wait for inferior to loop"
     34 gdb_expect {
     35     -re "looping\r\n" {
     36 	pass $test
     37     }
     38     eof {
     39 	fail "$test (eof)"
     40 	return
     41     }
     42     timeout {
     43 	fail "$test (timeout)"
     44 	return
     45     }
     46 }
     47 
     48 # The test case uses a very simple notification not to get caught by attach on
     49 # exiting the function.
     50 
     51 set test "spawn gstack"
     52 set pid [spawn_id_get_pid $test_spawn_id]
     53 set gstack_cmd [findfile $base_dir/../../gdb/gstack]
     54 set command "sh -c GDB=$GDB\\ GDBARGS=-data-directory\\\\\\ $GDB_DATA_DIRECTORY\\ $gstack_cmd\\ $pid\\;echo\\ GSTACK-END"
     55 set res [remote_spawn host $command]
     56 if { ![gdb_assert { ![expr {$res < 0 || $res == ""}] } $test] } {
     57     return
     58 }
     59 
     60 set test "got backtrace"
     61 set saw_backtrace false
     62 set no_awk false
     63 set location_re ${srcfile}:${decimal}
     64 
     65 gdb_test_multiple "" $test {
     66     -i "$res" -re "#0 +(0x\[0-9a-f\]+ in )?main \(\).*$location_re.*\r\nGSTACK-END\r\n\$" {
     67 	set saw_backtrace true
     68 	pass $test
     69 	exp_continue
     70     }
     71 
     72     -i "$res" "could not find usable awk interpreter" {
     73 	set no_awk true
     74 	exp_continue
     75     }
     76 
     77     eof {
     78 	set result [wait -i $res]
     79 	verbose $result
     80 
     81 	gdb_assert { [lindex $result 2] == 0 } "gstack exits with no error"
     82 	gdb_assert { [lindex $result 3] == 0 } "gstack's exit status is 0"
     83 
     84 	remote_close host
     85     }
     86 }
     87 if {$no_awk} {
     88     unsupported "no awk interpreter found"
     89 } elseif {!$saw_backtrace} {
     90     fail $test
     91 }
     92 
     93 # Kill the test inferior.
     94 kill_wait_spawned_process $test_spawn_id
     95