123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596 |
- # This testcase is part of GDB, the GNU debugger.
- # 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/>.
- # Test attach / detach from a process that uses raw clone. We use raw
- # clone as proxy for when libthread_db is not available.
- # This only works on targets with the Linux kernel.
- if ![istarget *-*-linux*] {
- return
- }
- if {![can_spawn_for_attach]} {
- return 0
- }
- standard_testfile
- if [prepare_for_testing "failed to prepare" $testfile $srcfile {debug}] {
- return -1
- }
- set test_spawn_id [spawn_wait_for_attach $binfile]
- set testpid [spawn_id_get_pid $test_spawn_id]
- # Native/gdbserver.
- set thread_re "(LWP $decimal|Thread )"
- # Try attach / detach a few times, in case GDB ends up with stale
- # state after detaching.
- set attempts 3
- for {set attempt 1} {$attempt <= $attempts} {incr attempt} {
- with_test_prefix "fg attach $attempt" {
- gdb_test "attach $testpid" \
- "Attaching to program.*process $testpid.*" \
- "attach"
- gdb_test "info threads" \
- "1.*${thread_re}.*\r\n.*2.*${thread_re}.*" \
- "info threads shows two LWPs"
- gdb_test "detach" "Detaching from .*, process $testpid\r\n\\\[Inferior $decimal \\(.*\\) detached\\\]"
- }
- }
- # Same, but use async/background attach.
- # If debugging with target remote, check whether the all-stop variant
- # of the RSP is being used. If so, we can't run the background tests.
- if {[target_info exists gdb_protocol]
- && ([target_info gdb_protocol] == "remote"
- || [target_info gdb_protocol] == "extended-remote")} {
- set test "maint show target-non-stop"
- gdb_test_multiple "maint show target-non-stop" $test {
- -re "(is|currently) on.*$gdb_prompt $" {
- }
- -re "(is|currently) off.*$gdb_prompt $" {
- unsupported "bg attach: can't issue info threads while target is running"
- return 0
- }
- }
- }
- set attempts 3
- for {set attempt 1} {$attempt <= $attempts} {incr attempt} {
- with_test_prefix "bg attach $attempt" {
- gdb_test "attach $testpid &" \
- "Attaching to program.*process $testpid.*" \
- "attach"
- gdb_test "info threads" \
- "1.*${thread_re}.*\\(running\\)\r\n.*2.*${thread_re}.*\\(running\\)" \
- "info threads shows two LWPs"
- gdb_test "detach" "Detaching from .*, process $testpid\r\n\\\[Inferior $decimal \\(.*\\) detached\\\]"
- }
- }
- kill_wait_spawned_process $test_spawn_id
|