1# Copyright 2014-2020 Free Software Foundation, Inc.
2# This program is free software; you can redistribute it and/or modify
3# it under the terms of the GNU General Public License as published by
4# the Free Software Foundation; either version 3 of the License, or
5# (at your option) any later version.
6#
7# This program is distributed in the hope that it will be useful,
8# but WITHOUT ANY WARRANTY; without even the implied warranty of
9# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10# GNU General Public License for more details.
11#
12# You should have received a copy of the GNU General Public License
13# along with this program.  If not, see <http://www.gnu.org/licenses/>.
14
15# Test that GDB doesn't lose control when a breakpoint is set at the
16# same address as a dprintf.
17
18standard_testfile
19
20if [prepare_for_testing "failed to prepare" \
21    ${testfile} ${srcfile} {debug}] {
22    return -1
23}
24
25set dp_location [gdb_get_line_number "set dprintf here"]
26
27proc test { style } {
28    global gdb_prompt binfile dp_location
29
30    with_test_prefix "$style" {
31	clean_restart $binfile
32
33	if ![runto_main] {
34	    fail "can't run to main"
35	    return -1
36	}
37
38	delete_breakpoints
39
40	gdb_test_no_output "set dprintf-style $style"
41
42	# Enable always-inserted so we can control the breakpoint
43	# insertion order.
44	gdb_test_no_output "set breakpoint always-inserted on"
45
46	set test "set dprintf"
47	gdb_test_multiple "dprintf $dp_location, \"y=%d\\n\", y" $test {
48	    -re "cannot run dprintf commands.*$gdb_prompt $" {
49		unsupported $test
50	    }
51	    -re "Dprintf .* at .*$gdb_prompt $" {
52		pass $test
53	    }
54	}
55
56	# In case of agent style, this should force the target to
57	# report the trap to GDB.  IOW, GDB should remove the commands
58	# from the target-side breakpoint.
59	gdb_test "break $dp_location" ".*" "set breakpoint"
60
61	gdb_test "continue" "set dprintf here.*"
62    }
63}
64
65test "gdb"
66test "agent"
67