1# Copyright 2009-2020 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
16standard_testfile
17
18if { [build_executable ${testfile}.exp "${testfile}" $srcfile {debug nowarnings}] } {
19    return -1
20}
21
22# Define the hook-stop that runs COMMANDS.
23
24proc define_hook_stop {commands} {
25    set test "define hook-stop command"
26    gdb_test_multiple "define hook-stop" "$test" {
27	-re "Type commands for definition of \"hook-stop\".\r\nEnd with a line saying just \"end\".\r\n>$" {
28	    gdb_test "$commands\nend" "" "$test"
29	}
30    }
31}
32
33# Restart GDB, run to main, set a breakpoint, and define a hook-stop
34# that runs COMMANDS.  If running to main fails, this returns to the
35# caller's caller directly.
36
37proc setup {commands} {
38    global srcfile binfile
39
40    clean_restart $binfile
41
42    if ![runto_main] then {
43	fail "can't run to main"
44	return -code return
45    }
46
47    gdb_test "break func" \
48	"Breakpoint.*at.* file .*$srcfile.*\\." \
49	"breakpoint line number"
50
51    define_hook_stop $commands
52}
53
54# Check that the hook-stop runs before the frame is printed.
55
56proc hook_stop_before_frame {} {
57    with_test_prefix "hook-stop runs before frame print" {
58	global gdb_prompt
59
60	setup "echo \"Hello.\""
61
62	set test "run hook-stop"
63	gdb_test_multiple "continue" "$test" {
64	    -re "\"Hello\\.\"\r\nBreakpo.*func.*set breakpoint here.*${gdb_prompt} $" {
65		pass $test
66	    }
67
68	    -re "Breakpo.*func.*set breakpoint here.*\"Hello\\.\".*${gdb_prompt} $" {
69		fail $test
70	    }
71	}
72    }
73}
74
75# Check that GDB gracefully handles the case of the inferior dying
76# while running the hook-stop.
77
78proc hook_stop_kill {} {
79    with_test_prefix "hook-stop kills inferior" {
80	global gdb_prompt
81	global decimal
82
83	setup "kill"
84
85	gdb_test_no_output "set confirm off"
86
87	set test "run hook-stop"
88	gdb_test_multiple "continue" "$test" {
89	    -re "Continuing.\r\n\\\[Inferior $decimal \\(.*\\) killed\\\]\r\n${gdb_prompt} $" {
90		pass $test
91	    }
92	}
93
94	gdb_test "info threads" "No threads.*"
95    }
96}
97
98# Check that GDB gracefully handles the case of the hook-stop
99# continuing the inferior in the foreground.
100
101proc hook_stop_continue_fg {} {
102    with_test_prefix "hook-stop runs continue" {
103	global gdb_prompt
104
105	setup "if \$do_continue\nset \$do_continue = 0\ncontinue\nend"
106
107	gdb_test "print \$do_continue = 1" " = 1"
108
109	gdb_test "next" "Breakpoint.*func \\(\\) at .*set breakpoint here \\*/" \
110	    "next triggering hook-stop"
111
112	gdb_test "next" "a = 2;" "next no hook-stop"
113    }
114}
115
116# Check that GDB gracefully handles the case of the hook-stop
117# continuing the inferior in the background.
118
119proc hook_stop_continue_bg {} {
120    with_test_prefix "hook-stop runs continue&" {
121	global gdb_prompt
122
123	setup "if \$do_continue\nset \$do_continue = 0\ncontinue&\nend"
124
125	gdb_test "print \$do_continue = 1" " = 1"
126
127	set test "run hook-stop"
128	gdb_test_multiple "continue" "$test" {
129	    -re "Continuing.\r\n.*${gdb_prompt} " {
130		pass $test
131	    }
132	}
133
134	set test "inferior exits normally"
135	gdb_test_multiple "" "$test" {
136	    -re "exited normally" {
137		pass $test
138	    }
139	}
140	gdb_test "info threads" "No threads.*"
141    }
142}
143
144# Check that GDB gracefully handles the case of the hook-stop running
145# "next".  GDB used to print the stop event twice.
146
147proc hook_stop_next {} {
148    with_test_prefix "hook-stop runs next" {
149	global gdb_prompt
150
151	setup "next"
152
153	set test "run hook-stop"
154	gdb_test_multiple "continue" "$test" {
155	    -re "a = 2.*a = 2${gdb_prompt} $" {
156		fail $test
157	    }
158	    -re "a = 2.*${gdb_prompt} $" {
159		pass $test
160	    }
161	}
162    }
163}
164
165hook_stop_before_frame
166hook_stop_kill
167hook_stop_continue_fg
168hook_stop_continue_bg
169hook_stop_next
170