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42a4f53d | 1 | # Copyright 1988-2019 Free Software Foundation, Inc. |
c906108c SS |
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 | |
e22f8b7c | 5 | # the Free Software Foundation; either version 3 of the License, or |
c906108c | 6 | # (at your option) any later version. |
e22f8b7c | 7 | # |
c906108c SS |
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. | |
e22f8b7c | 12 | # |
c906108c | 13 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
c906108c | 15 | |
ae739fe7 SM |
16 | # Test that GDB saves and restores terminal settings correctly. Also check |
17 | # the output of the "info terminal" command. | |
18 | ||
5b362f04 | 19 | if { [prepare_for_testing "failed to prepare" term term.c] } { |
5f8cefd7 | 20 | return -1 |
c1d88655 UW |
21 | } |
22 | ||
5f8cefd7 PA |
23 | # Once before running the program. |
24 | gdb_test "info terminal" \ | |
25 | "No saved terminal information.*" \ | |
ae739fe7 | 26 | "test info terminal pre-execution" |
c906108c | 27 | |
ae739fe7 SM |
28 | if ![runto break_here] then { |
29 | fail "can't run to break_here" | |
5f8cefd7 | 30 | return 0 |
c906108c SS |
31 | } |
32 | ||
ae739fe7 SM |
33 | # Read the inferior's terminal settings, saved in the T global variable. |
34 | ||
35 | proc read_term_settings_from_inferior {} { | |
36 | set termios(c_iflag) [get_hexadecimal_valueof "t.c_iflag" oops] | |
37 | set termios(c_oflag) [get_hexadecimal_valueof "t.c_oflag" oops] | |
38 | set termios(c_cflag) [get_hexadecimal_valueof "t.c_cflag" oops] | |
39 | set termios(c_lflag) [get_hexadecimal_valueof "t.c_lflag" oops] | |
40 | ||
41 | return [array get termios] | |
42 | } | |
43 | ||
44 | # Validate that gdb's notion of the inferior's terminal settings are consistent | |
45 | # with the values read from the inferior. | |
46 | ||
47 | proc compare_gdb_and_inferior_settings { t } { | |
48 | global decimal | |
49 | array set termios $t | |
50 | ||
51 | gdb_test "info terminal" \ | |
52 | [multi_line "Inferior's terminal status .currently saved by GDB.:" \ | |
53 | "File descriptor flags = .*" \ | |
54 | "Process group = $decimal" \ | |
55 | "c_iflag = ${termios(c_iflag)}, c_oflag = ${termios(c_oflag)}," \ | |
56 | "c_cflag = ${termios(c_cflag)}, c_lflag = ${termios(c_lflag)}.*" ] | |
57 | } | |
7594f623 | 58 | |
7594f623 | 59 | if {[target_info gdb_protocol] == ""} { |
ae739fe7 SM |
60 | # Record the initial terminal settings. Verify that GDB's version of the |
61 | # inferior's terminal settings is right. | |
62 | with_test_prefix "initial" { | |
63 | array set termios1 [read_term_settings_from_inferior] | |
64 | compare_gdb_and_inferior_settings [array get termios1] | |
65 | } | |
66 | ||
67 | # Continue until after the inferior removes ECHO from its terminal settings. | |
68 | gdb_continue_to_breakpoint "continue until after tcsetattr" | |
69 | ||
70 | # After the inferior has changed its terminal settings, check that GDB's | |
71 | # saved version reflects the new settings correctly. | |
72 | with_test_prefix "post tcsetattr" { | |
73 | array set termios2 [read_term_settings_from_inferior] | |
74 | compare_gdb_and_inferior_settings [array get termios2] | |
75 | ||
76 | # Make sure that the current settings are different than the initial | |
77 | # settings... otherwise this test is meaningless. | |
78 | gdb_assert {${termios1(c_lflag)} != ${termios2(c_lflag)}} | |
79 | } | |
80 | ||
81 | # Continue again... | |
82 | gdb_continue_to_breakpoint "continue again" | |
83 | ||
84 | # ... and verify again, to validate that when resuming, GDB restored the | |
85 | # inferior's terminal settings correctly. | |
86 | with_test_prefix "after last resume" { | |
87 | array set termios3 [read_term_settings_from_inferior] | |
88 | compare_gdb_and_inferior_settings [array get termios3] | |
89 | gdb_assert {${termios2(c_iflag)} == ${termios3(c_iflag)}} | |
90 | gdb_assert {${termios2(c_oflag)} == ${termios3(c_oflag)}} | |
91 | gdb_assert {${termios2(c_cflag)} == ${termios3(c_cflag)}} | |
92 | gdb_assert {${termios2(c_lflag)} == ${termios3(c_lflag)}} | |
93 | } | |
7594f623 | 94 | } else { |
ae739fe7 SM |
95 | # While only native targets save terminal status, we still test |
96 | # that the command doesn't misbehave. | |
97 | gdb_test "info terminal" "No saved terminal information\\." "info terminal at breakpoint" | |
7594f623 PA |
98 | } |
99 | ||
ae739fe7 | 100 | delete_breakpoints |
5f8cefd7 PA |
101 | gdb_continue_to_end |
102 | ||
103 | # One last time after the program having exited. | |
104 | gdb_test "info terminal" \ | |
105 | "No saved terminal information.*" \ | |
ae739fe7 | 106 | "test info terminal post-execution" |