| 1 | # Copyright 2014-2016 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 | # Test "set auto-connect-native-target off" and "target native" on |
| 17 | # native targets. |
| 18 | |
| 19 | standard_testfile |
| 20 | |
| 21 | if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} { |
| 22 | return -1 |
| 23 | } |
| 24 | |
| 25 | # Whether this GDB is configured with a "native" target. |
| 26 | set have_native 0 |
| 27 | |
| 28 | set test "help target native" |
| 29 | gdb_test_multiple $test $test { |
| 30 | -re "Undefined target command.*$gdb_prompt $" { |
| 31 | set have_native 0 |
| 32 | } |
| 33 | -re "Native process.*$gdb_prompt $" { |
| 34 | set have_native 1 |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | if { !$have_native } { |
| 39 | unsupported "No \"target native\" support." |
| 40 | return |
| 41 | } |
| 42 | |
| 43 | # Returns the topmost target pushed on the target stack. TEST is used |
| 44 | # as test message. |
| 45 | |
| 46 | proc get_topmost_target {test} { |
| 47 | global gdb_prompt |
| 48 | |
| 49 | set topmost "unknown" |
| 50 | |
| 51 | gdb_test_multiple "maint print target-stack" $test { |
| 52 | -re "The current target stack is:\r\n - (\[^ \]+) .*$gdb_prompt $" { |
| 53 | set topmost $expect_out(1,string) |
| 54 | pass $test |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | return $topmost |
| 59 | } |
| 60 | |
| 61 | set topmost [get_topmost_target "check whether a target is already connected"] |
| 62 | |
| 63 | # Testing against the extended-remote board, for example? |
| 64 | if { $topmost != "exec" } { |
| 65 | unsupported "Already connected to target $topmost." |
| 66 | return |
| 67 | } |
| 68 | |
| 69 | # Check which target this board connects to. If testing with a native |
| 70 | # target board, this should cause the native target to auto connect. |
| 71 | if ![runto_main] then { |
| 72 | fail "Can't run to main" |
| 73 | return 0 |
| 74 | } |
| 75 | |
| 76 | # Returns true if the native target is pushed on the target stack. |
| 77 | # TEST is used as test message. |
| 78 | |
| 79 | proc check_native_target {test} { |
| 80 | global gdb_prompt |
| 81 | |
| 82 | gdb_test_multiple "maint print target-stack" $test { |
| 83 | -re " native .*$gdb_prompt $" { |
| 84 | pass $test |
| 85 | return 1 |
| 86 | } |
| 87 | -re "$gdb_prompt $" { |
| 88 | pass $test |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | return 0 |
| 93 | } |
| 94 | |
| 95 | # Testing against a remote board, for example? |
| 96 | if { ![check_native_target "check whether board tests the native target"] } { |
| 97 | unsupported "Not testing the native target." |
| 98 | return |
| 99 | } |
| 100 | |
| 101 | # Kill program. TEST is used as test message. |
| 102 | |
| 103 | proc kill_program {test} { |
| 104 | global gdb_prompt |
| 105 | |
| 106 | gdb_test_multiple "kill" $test { |
| 107 | -re "Kill the program being debugged\\? .y or n. $" { |
| 108 | send_gdb "y\n" |
| 109 | exp_continue |
| 110 | } |
| 111 | -re "$gdb_prompt $" { |
| 112 | pass $test |
| 113 | } |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | # Kill the program. This should pop the target. The "start" test |
| 118 | # below will fail otherwise. |
| 119 | kill_program "kill" |
| 120 | |
| 121 | # Now prevent the native target from auto connecting. |
| 122 | gdb_test_no_output "set auto-connect-native-target off" |
| 123 | |
| 124 | # Commands that rely on the native target auto-connecting should no longer work. |
| 125 | gdb_test "start" "Don't know how to run.*" "start no longer works" |
| 126 | |
| 127 | # Explicitly connect to the native target. |
| 128 | gdb_test "target native" \ |
| 129 | "Done. Use the \"run\" command to start a process.*" \ |
| 130 | "explicitly connect to the native target" |
| 131 | |
| 132 | proc test_native_target_remains_pushed {} { |
| 133 | gdb_test "maint print target-stack" \ |
| 134 | "The current target stack is:\r\n .* native .* exec .*" \ |
| 135 | "native target remains pushed" |
| 136 | } |
| 137 | |
| 138 | # Test a set of "inferior gone" scenarios, making sure the target |
| 139 | # remains pushed. |
| 140 | |
| 141 | with_test_prefix "kill" { |
| 142 | gdb_test "start" "main.*" "start" |
| 143 | |
| 144 | kill_program "kill" |
| 145 | |
| 146 | test_native_target_remains_pushed |
| 147 | } |
| 148 | |
| 149 | with_test_prefix "detach" { |
| 150 | gdb_test "start" "main.*" |
| 151 | |
| 152 | set test "detach" |
| 153 | gdb_test_multiple $test $test { |
| 154 | -re "Detach the program being debugged\\? .y or n. $" { |
| 155 | send_gdb "y\n" |
| 156 | exp_continue |
| 157 | } |
| 158 | -re "$gdb_prompt $" { |
| 159 | pass $test |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | test_native_target_remains_pushed |
| 164 | } |
| 165 | |
| 166 | with_test_prefix "run to exit" { |
| 167 | gdb_test "start" "Temporary breakpoint .* main .*" |
| 168 | |
| 169 | gdb_test "c" "$inferior_exited_re normally.*" |
| 170 | |
| 171 | test_native_target_remains_pushed |
| 172 | } |
| 173 | |
| 174 | # Now test disconnecting. Commands that rely on the native target |
| 175 | # auto-connecting should no longer work (again) after this. |
| 176 | |
| 177 | with_test_prefix "disconnect" { |
| 178 | gdb_test "start" "Temporary breakpoint .* main .*" |
| 179 | |
| 180 | set test "disconnect" |
| 181 | gdb_test_multiple $test $test { |
| 182 | -re "A program is being debugged already.* .y or n. $" { |
| 183 | send_gdb "y\n" |
| 184 | exp_continue |
| 185 | } |
| 186 | -re "$gdb_prompt $" { |
| 187 | pass $test |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | set topmost \ |
| 192 | [get_topmost_target "check whether the target is no longer connected"] |
| 193 | |
| 194 | set test "no longer connected to a target" |
| 195 | if { $topmost == "exec" } { |
| 196 | pass $test |
| 197 | } else { |
| 198 | fail $test |
| 199 | } |
| 200 | |
| 201 | gdb_test "start" "Don't know how to run.*" "start no longer works" |
| 202 | } |
| 203 | |
| 204 | # Reenable auto-connecting to the native target. Plain "start" should |
| 205 | # start working again. |
| 206 | gdb_test_no_output "set auto-connect-native-target on" |
| 207 | |
| 208 | gdb_test "start" "Temporary breakpoint .* main .*" \ |
| 209 | "start auto-connects to the native target after reenabling auto-connect" |