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42a4f53d | 1 | # Copyright 2009-2019 Free Software Foundation, Inc. |
68b9ac18 TV |
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 | } |