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# Copyright 2014-2021 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 "set auto-connect-native-target off" and "target native" on
# native targets.
standard_testfile
if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
return -1
}
# Whether this GDB is configured with a "native" target.
set have_native 0
set test "help target native"
gdb_test_multiple $test $test {
-re "Undefined target command.*$gdb_prompt $" {
set have_native 0
}
-re "Native process.*$gdb_prompt $" {
set have_native 1
}
}
if { !$have_native } {
unsupported "no \"target native\" support."
return
}
# Returns the topmost target pushed on the target stack. TEST is used
# as test message.
proc get_topmost_target {test} {
global gdb_prompt
set topmost "unknown"
gdb_test_multiple "maint print target-stack" $test {
-re "The current target stack is:\r\n - (\[^ \]+) .*$gdb_prompt $" {
set topmost $expect_out(1,string)
pass $test
}
}
return $topmost
}
set topmost [get_topmost_target "check whether a target is already connected"]
# Testing against the extended-remote board, for example?
if { $topmost != "exec" } {
unsupported "already connected to target $topmost."
return
}
# Check which target this board connects to. If testing with a native
# target board, this should cause the native target to auto connect.
if ![runto_main] then {
fail "can't run to main"
return 0
}
# Returns true if the native target is pushed on the target stack.
# TEST is used as test message.
proc check_native_target {test} {
global gdb_prompt
gdb_test_multiple "maint print target-stack" $test {
-re " native .*$gdb_prompt $" {
pass $test
return 1
}
-re "$gdb_prompt $" {
pass $test
}
}
return 0
}
# Testing against a remote board, for example?
if { ![check_native_target "check whether board tests the native target"] } {
unsupported "not testing the native target."
return
}
# Kill program. TEST is used as test message.
proc kill_program {test} {
global gdb_prompt
gdb_test_multiple "kill" $test {
-re "Kill the program being debugged\\? .y or n. $" {
send_gdb "y\n"
exp_continue
}
-re "$gdb_prompt $" {
pass $test
}
}
}
# Kill the program. This should pop the target. The "start" test
# below will fail otherwise.
kill_program "kill"
# Now prevent the native target from auto connecting.
gdb_test_no_output "set auto-connect-native-target off"
# Commands that rely on the native target auto-connecting should no longer work.
gdb_test "start" "Don't know how to run.*" "start no longer works"
# Explicitly connect to the native target.
gdb_test "target native" \
"Done. Use the \"run\" command to start a process.*" \
"explicitly connect to the native target"
proc test_native_target_remains_pushed {} {
gdb_test "maint print target-stack" \
"The current target stack is:\r\n .* native .* exec .*" \
"native target remains pushed"
}
# Test a set of "inferior gone" scenarios, making sure the target
# remains pushed.
with_test_prefix "kill" {
gdb_test "start" "main.*"
kill_program "kill"
test_native_target_remains_pushed
}
with_test_prefix "detach" {
gdb_test "start" "main.*"
set test "detach"
gdb_test_multiple $test $test {
-re "Detach the program being debugged\\? .y or n. $" {
send_gdb "y\n"
exp_continue
}
-re "$gdb_prompt $" {
pass $test
}
}
test_native_target_remains_pushed
}
with_test_prefix "run to exit" {
gdb_test "start" "Temporary breakpoint .* main .*"
gdb_test "c" "$inferior_exited_re normally.*"
test_native_target_remains_pushed
}
# Now test disconnecting. Commands that rely on the native target
# auto-connecting should no longer work (again) after this.
with_test_prefix "disconnect" {
gdb_test "start" "Temporary breakpoint .* main .*"
set test "disconnect"
gdb_test_multiple $test $test {
-re "A program is being debugged already.* .y or n. $" {
send_gdb "y\n"
exp_continue
}
-re "$gdb_prompt $" {
pass $test
}
}
set topmost \
[get_topmost_target "check whether the target is no longer connected"]
set test "no longer connected to a target"
if { $topmost == "exec" } {
pass $test
} else {
fail $test
}
gdb_test "start" "Don't know how to run.*" "start no longer works"
}
# Reenable auto-connecting to the native target. Plain "start" should
# start working again.
gdb_test_no_output "set auto-connect-native-target on"
gdb_test "start" "Temporary breakpoint .* main .*" \
"start auto-connects to the native target after reenabling auto-connect"
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