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99 lines
2.9 KiB
Plaintext
99 lines
2.9 KiB
Plaintext
# This testcase is part of GDB, the GNU debugger.
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# Copyright 2016-2020 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test attach / detach from a process that uses raw clone. We use raw
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# clone as proxy for when libthread_db is not available.
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# This only works on targets with the Linux kernel.
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if ![istarget *-*-linux*] {
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return
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}
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if {![can_spawn_for_attach]} {
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return 0
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}
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standard_testfile
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if [prepare_for_testing "failed to prepare" $testfile $srcfile {debug}] {
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return -1
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}
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clean_restart ${binfile}
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set test_spawn_id [spawn_wait_for_attach $binfile]
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set testpid [spawn_id_get_pid $test_spawn_id]
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# Native/gdbserver.
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set thread_re "(LWP $decimal|Thread )"
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# Try attach / detach a few times, in case GDB ends up with stale
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# state after detaching.
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set attempts 3
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for {set attempt 1} {$attempt <= $attempts} {incr attempt} {
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with_test_prefix "fg attach $attempt" {
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gdb_test "attach $testpid" \
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"Attaching to program.*process $testpid.*" \
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"attach"
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gdb_test "info threads" \
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"1.*${thread_re}.*\r\n.*2.*${thread_re}.*" \
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"info threads shows two LWPs"
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gdb_test "detach" "Detaching from .*, process $testpid\r\n\\\[Inferior $decimal \\(.*\\) detached\\\]"
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}
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}
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# Same, but use async/background attach.
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# If debugging with target remote, check whether the all-stop variant
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# of the RSP is being used. If so, we can't run the background tests.
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if {[target_info exists gdb_protocol]
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&& ([target_info gdb_protocol] == "remote"
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|| [target_info gdb_protocol] == "extended-remote")} {
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set test "maint show target-non-stop"
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gdb_test_multiple "maint show target-non-stop" $test {
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-re "(is|currently) on.*$gdb_prompt $" {
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}
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-re "(is|currently) off.*$gdb_prompt $" {
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unsupported "bg attach: can't issue info threads while target is running"
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return 0
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}
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}
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}
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set attempts 3
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for {set attempt 1} {$attempt <= $attempts} {incr attempt} {
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with_test_prefix "bg attach $attempt" {
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gdb_test "attach $testpid &" \
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"Attaching to program.*process $testpid.*" \
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"attach"
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gdb_test "info threads" \
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"1.*${thread_re}.*\\(running\\)\r\n.*2.*${thread_re}.*\\(running\\)" \
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"info threads shows two LWPs"
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gdb_test "detach" "Detaching from .*, process $testpid\r\n\\\[Inferior $decimal \\(.*\\) detached\\\]"
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}
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}
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kill_wait_spawned_process $test_spawn_id
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