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# This testcase is part of GDB, the GNU debugger.
# Copyright 2007-2023 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 attaching to already-running programs using extended-remote.
load_lib gdbserver-support.exp
load_lib trace-support.exp
standard_testfile
require !skip_gdbserver_tests
require can_spawn_for_attach
if {[build_executable "failed to prepare" $testfile $srcfile debug]} {
return -1
}
# Run the test. TARGET_NON_STOP and TARGET_ASYNC should be 'on'
# or 'off'. TO_DISABLE should be either the empty string, or
# something that can be passed to gdbserver's --disable-packet command
# line option.
proc run_test { target_async target_non_stop to_disable } {
save_vars { ::GDBFLAGS } {
append ::GDBFLAGS " -ex \"maint set target-non-stop $target_non_stop\""
append ::GDBFLAGS " -ex \"maintenance set target-async ${target_async}\""
# If GDB and GDBserver are both running locally, set the sysroot to avoid
# reading files via the remote protocol.
if { ![is_remote host] && ![is_remote target] } {
set ::GDBFLAGS "$::GDBFLAGS -ex \"set sysroot\""
}
clean_restart $::binfile
}
# Make sure we're disconnected, in case we're testing with an
# extended-remote board, therefore already connected.
gdb_test "disconnect" ".*"
if {[gdb_target_supports_trace]} {
# Test predefined TSVs are uploaded.
gdb_test_sequence "info tvariables" "check uploaded tsv" {
"\[\r\n\]+Name\[\t \]+Initial\[\t \]+Current"
"\[\r\n\]+\\\$trace_timestamp 0"
}
}
set target_exec [gdbserver_download_current_prog]
if { $to_disable != "" } {
set gdbserver_opts "--disable-packet=${to_disable}"
} else {
set gdbserver_opts ""
}
gdbserver_start_extended $gdbserver_opts
gdb_test_no_output "set remote exec-file $target_exec" "set remote exec-file"
set test_spawn_id [spawn_wait_for_attach $::binfile]
set testpid [spawn_id_get_pid $test_spawn_id]
gdb_test "attach $testpid" \
"Attaching to program: .*, process $testpid.*(in|at).*" \
"attach to remote program 1"
gdb_test "backtrace" ".*main.*" "backtrace 1"
gdb_test "detach" "Detaching from program.*process.*"
gdb_test "backtrace" "No stack\\." "backtrace with no program"
gdb_test "attach $testpid" \
"Attaching to program: .*, process $testpid.*(in|at).*" \
"attach to remote program 2"
gdb_test "backtrace" ".*main.*" "backtrace 2"
gdb_test "kill" "" "kill" "Kill the program being debugged. .y or n. " "y"
gdb_test_no_output "monitor exit"
kill_wait_spawned_process $test_spawn_id
}
foreach_with_prefix target_async {"on" "off" } {
foreach_with_prefix target_non_stop {"off" "on"} {
foreach_with_prefix to_disable { "" Tthread T } {
run_test ${target_async} ${target_non_stop} $to_disable
}
}
}
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