| 1 | # Copyright 2009-2018 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 | # Generic subroutines for handling valgrind vgdb server. |
| 17 | |
| 18 | # |
| 19 | # Start a vgdb server, and connect gdb to it. Return 0 on success, and -1 on |
| 20 | # error. |
| 21 | # |
| 22 | proc vgdb_start { } { |
| 23 | global binfile use_gdb_stub board testfile |
| 24 | global valgrind_spawn_id gdb_spawn_id |
| 25 | |
| 26 | set test "spawn valgrind" |
| 27 | set cmd "valgrind --vgdb-error=0 $binfile" |
| 28 | set res [remote_spawn host $cmd] |
| 29 | if { $res < 0 || $res == "" } { |
| 30 | verbose -log "Spawning $cmd failed." |
| 31 | unsupported $test |
| 32 | return -1 |
| 33 | } |
| 34 | pass $test |
| 35 | # Declare GDB now as running. |
| 36 | set gdb_spawn_id $res |
| 37 | |
| 38 | # GDB started by vgdb stops already after the startup is executed, like with |
| 39 | # non-extended gdbserver. It is also not correct to run/attach the inferior. |
| 40 | set use_gdb_stub 1 |
| 41 | |
| 42 | set test "valgrind started" |
| 43 | # The trailing '.' differs for different memcheck versions. |
| 44 | gdb_test_multiple "" $test { |
| 45 | -re "Memcheck, a memory error detector\\.?\r\n" { |
| 46 | pass $test |
| 47 | } |
| 48 | -re "valgrind: failed to start tool 'memcheck' for platform '.*': No such file or directory" { |
| 49 | unsupported $test |
| 50 | return -1 |
| 51 | } |
| 52 | -re "valgrind: wrong ELF executable class" { |
| 53 | unsupported $test |
| 54 | return -1 |
| 55 | } |
| 56 | -re "command not found" { |
| 57 | # The spawn succeeded, but then valgrind was not found - e.g. if |
| 58 | # we spawned SSH to a remote system. |
| 59 | unsupported $test |
| 60 | return -1 |
| 61 | } |
| 62 | -re "valgrind: Bad option.*--vgdb-error=0" { |
| 63 | # valgrind is not >= 3.7.0. |
| 64 | unsupported $test |
| 65 | return -1 |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | set test "vgdb prompt" |
| 70 | gdb_test_multiple "" $test { |
| 71 | -re " (target remote | \[^\r\n\]*/vgdb \[^\r\n\]*)\r\n" { |
| 72 | set vgdbcmd $expect_out(1,string) |
| 73 | pass $test |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | # Do not kill valgrind. |
| 78 | set valgrind_spawn_id [board_info host fileid] |
| 79 | unset gdb_spawn_id |
| 80 | set board [host_info name] |
| 81 | unset_board_info fileid |
| 82 | |
| 83 | clean_restart $testfile |
| 84 | |
| 85 | # Make sure we're disconnected, in case we're testing with the |
| 86 | # native-extended-gdbserver board, where gdb_start/gdb_load spawn |
| 87 | # gdbserver and connect to it. |
| 88 | gdb_test "disconnect" ".*" |
| 89 | |
| 90 | gdb_test "$vgdbcmd" " in \\.?_start .*" "target remote for vgdb" |
| 91 | |
| 92 | gdb_test "monitor v.set gdb_output" "valgrind output will go to gdb.*" |
| 93 | |
| 94 | return 0 |
| 95 | } |
| 96 | |
| 97 | # |
| 98 | # Stop vgdb server. |
| 99 | # |
| 100 | proc vgdb_stop { } { |
| 101 | global valgrind_spawn_id |
| 102 | |
| 103 | # Only if valgrind got stuck. |
| 104 | kill_wait_spawned_process $valgrind_spawn_id |
| 105 | } |