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1 | # Copyright 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 | # watchpoint-hw-attach.exp -- Test if hardware watchpoints are used | |
17 | # when attaching to a target. | |
18 | ||
19 | if {[skip_hw_watchpoint_tests]} { | |
20 | return 0 | |
21 | } | |
22 | ||
23 | if {![can_spawn_for_attach]} { | |
24 | return 0 | |
25 | } | |
26 | ||
27 | standard_testfile | |
28 | ||
29 | if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} { | |
30 | return -1 | |
31 | } | |
32 | ||
33 | clean_restart $binfile | |
34 | ||
35 | if ![runto_main] { | |
36 | untested "can't run to main" | |
37 | return -1 | |
38 | } | |
39 | ||
40 | # Run to the point where mypid in the test program has been | |
41 | # populated. | |
42 | gdb_breakpoint [gdb_get_line_number "pidacquired"] | |
43 | gdb_continue_to_breakpoint "pidacquired" | |
44 | ||
45 | # Get the PID of the test process. | |
46 | set testpid [get_integer_valueof "mypid" 0] | |
47 | ||
48 | gdb_test "detach" "Detaching from program: .*, process $testpid\r\n\\\[Inferior $decimal \\(process $testpid\\) detached\\\]" | |
49 | ||
50 | if {$testpid == ""} { | |
51 | return -1 | |
52 | } | |
53 | ||
54 | # A clean restart is needed to force the hardware watchpoint setup | |
55 | # logic to run post attach rather than post inferior launch. | |
56 | clean_restart $binfile | |
57 | ||
49af4b70 | 58 | gdb_test "attach $testpid" "Attaching to program: .*, process $testpid.*" "attach" |
8363f9d5 | 59 | |
8363f9d5 RB |
60 | # Ensure the test program is in the top frame so the required |
61 | # variables are in scope. | |
be1b6474 RB |
62 | gdb_breakpoint $srcfile:[gdb_get_line_number "pidacquired"] |
63 | gdb_continue_to_breakpoint "$srcfile:pidacquired" | |
64 | ||
65 | gdb_test_no_output "set should_continue = 1" | |
8363f9d5 RB |
66 | |
67 | gdb_test "watch watched_variable" \ | |
68 | "Hardware watchpoint $decimal: watched_variable" | |
69 | ||
70 | gdb_test "continue" \ | |
71 | "continue.*Continuing.*\.Hardware watchpoint $decimal: watched_variable.*Old value = 0.*New value = 4.*watched_variable\\);" |