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cada5fc9 AB |
1 | # This testcase is part of GDB, the GNU debugger. |
2 | # | |
3 | # Copyright 2020 Free Software Foundation, Inc. | |
4 | # | |
5 | # This program is free software; you can redistribute it and/or modify | |
6 | # it under the terms of the GNU General Public License as published by | |
7 | # the Free Software Foundation; either version 3 of the License, or | |
8 | # (at your option) any later version. | |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | ||
18 | # Test that GDB can handle receiving the W and X packets for a target | |
19 | # with multiple threads, but only a single inferior. | |
20 | # | |
21 | # Specifically, check GDB handles this case where multi-process | |
22 | # extensions are turned off. At one point this was causing GDB to | |
23 | # give a warning when the exit arrived that the remote needed to | |
24 | # include a thread-id, which was not correct. | |
25 | ||
26 | load_lib gdbserver-support.exp | |
27 | ||
28 | if { [skip_gdbserver_tests] } { | |
29 | verbose "skipping gdbserver tests" | |
30 | return -1 | |
31 | } | |
32 | ||
33 | standard_testfile | |
34 | ||
35 | # Start up GDB and GDBserver debugging EXECUTABLE. When | |
36 | # DISABLE_MULTI_PROCESS is true then disable GDB's remote | |
37 | # multi-process support, otherwise, leave it enabled. | |
38 | # | |
39 | # Places a breakpoint in function 'breakpt' and then continues to the | |
40 | # breakpoint, at which point it runs 'info threads'. | |
41 | proc prepare_for_test { executable disable_multi_process } { | |
42 | clean_restart ${executable} | |
43 | ||
44 | # Make sure we're disconnected, in case we're testing with an | |
45 | # extended-remote board, therefore already connected. | |
46 | gdb_test "disconnect" ".*" | |
47 | ||
48 | # Disable XML-based thread listing, and possible the multi-process | |
49 | # extensions. | |
50 | gdb_test_no_output "set remote threads-packet off" | |
51 | if { $disable_multi_process } { | |
52 | gdb_test_no_output "set remote multiprocess-feature-packet off" | |
53 | } | |
54 | ||
55 | # Start gdbserver and connect. | |
56 | set res [gdbserver_start "" $executable] | |
57 | set gdbserver_protocol [lindex $res 0] | |
58 | set gdbserver_gdbport [lindex $res 1] | |
59 | set res [gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport] | |
60 | if ![gdb_assert {$res == 0} "connect"] { | |
61 | return | |
62 | } | |
63 | ||
64 | # Run until we hit the breakpt function, then list all threads. | |
65 | gdb_breakpoint "breakpt" | |
66 | gdb_continue_to_breakpoint "breakpt" | |
67 | gdb_test "info threads" ".*" | |
68 | } | |
69 | ||
70 | # Run the tests where the inferior exits normally (the W packet) while | |
71 | # we have multiple-threads. EXECUTABLE is the binary under test, and | |
72 | # DISABLE_MULTI_PROCESS indicates if we should disable GDB's remote | |
73 | # multi-process support. | |
74 | proc run_exit_test { executable disable_multi_process } { | |
75 | global decimal | |
76 | ||
77 | prepare_for_test ${executable} ${disable_multi_process} | |
78 | ||
79 | # Finally, continue until the process exits, ensure we don't see | |
80 | # any warnings between "Continuing." and the final process has | |
81 | # exited message. | |
82 | if { $disable_multi_process } { | |
83 | set process_pattern "Remote target" | |
84 | } else { | |
85 | set process_pattern "process $decimal" | |
86 | } | |
87 | gdb_test "continue" \ | |
88 | [multi_line \ | |
89 | "Continuing\\." \ | |
90 | "\\\[Inferior $decimal \\\(${process_pattern}\\\) exited normally\\\]" ] \ | |
91 | "continue until process exits" | |
92 | } | |
93 | ||
94 | # Run the tests where the inferior exits with a signal (the X packet) | |
95 | # while we have multiple-threads. EXECUTABLE is the binary under | |
96 | # test, and DISABLE_MULTI_PROCESS indicates if we should disable GDB's | |
97 | # remote multi-process support. | |
98 | proc run_signal_test { executable disable_multi_process } { | |
99 | global decimal gdb_prompt | |
100 | ||
101 | prepare_for_test ${executable} ${disable_multi_process} | |
102 | ||
103 | set inf_pid [get_valueof "/d" "global_pid" "unknown"] | |
104 | gdb_assert ![string eq ${inf_pid} "unknown"] "read the pid" | |
105 | ||
106 | # This sets the inferior running again, with all threads going | |
107 | # into a long delay loop. | |
108 | send_gdb "continue\n" | |
109 | ||
110 | # Send the inferior a signal to kill it. | |
111 | sleep 1 | |
112 | remote_exec target "kill -9 ${inf_pid}" | |
113 | ||
114 | # Process the output from GDB. | |
115 | gdb_test_multiple "" "inferior exited with signal" { | |
116 | -re "Continuing\\.\r\n\r\nProgram terminated with signal SIGKILL, Killed.\r\nThe program no longer exists.\r\n$gdb_prompt $" { | |
117 | pass $gdb_test_name | |
118 | } | |
119 | } | |
120 | } | |
121 | ||
122 | # Run all of the tests. | |
123 | foreach_with_prefix test { exit signal } { | |
124 | set def "DO_[string toupper $test]_TEST" | |
125 | set func "run_${test}_test" | |
126 | ||
127 | set executable "$binfile-${test}" | |
128 | if [prepare_for_testing "failed to prepare" $executable $srcfile \ | |
129 | [list debug pthreads additional_flags=-D${def}]] { | |
130 | return -1 | |
131 | } | |
132 | ||
133 | foreach_with_prefix multi_process { 0 1 } { | |
134 | $func ${executable} ${multi_process} | |
135 | } | |
136 | } |