1# Copyright 2019-2020 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
16# Test that GDB does not access the remote target's memory when
17# setting a breakpoint on a function that only exists in an inferior
18# that is not bound to the remote target.
19
20load_lib gdbserver-support.exp
21
22standard_testfile server.c
23
24if { [skip_gdbserver_tests] } {
25    return 0
26}
27
28if { [prepare_for_testing "failed to prepare" ${binfile} "${srcfile}" \
29	  {debug pthreads}] } {
30    return
31}
32
33# Make sure we're disconnected, in case we're testing with an
34# extended-remote board, therefore already connected.
35gdb_test "disconnect" ".*"
36
37# Leave inferior 1 with the exec target, not connected.  Add another
38# inferior, and connect it to gdbserver.
39
40gdb_test "add-inferior" "Added inferior 2" \
41    "add inferior 2"
42gdb_test "inferior 2" "Switching to inferior 2.*" \
43    "switch to inferior 2"
44gdb_test "file ${binfile}" ".*" "load file in inferior 2"
45
46set target_exec [gdbserver_download_current_prog]
47
48# Start GDBserver.
49set res [gdbserver_start "" $target_exec]
50
51# Connect to GDBserver.
52set gdbserver_protocol [lindex $res 0]
53set gdbserver_gdbport [lindex $res 1]
54gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport
55
56# Discard any symbol files that we have opened.
57set test "discard symbol table"
58gdb_test_multiple "file" $test {
59    -re "A program is being debugged already..*Are you sure you want to change the file.*y or n. $" {
60	gdb_test "y" ".*" $test \
61	    {Discard symbol table from `.*'\? \(y or n\) } "y"
62    }
63}
64
65# At this point:
66#
67# - inferior 1 has symbols, and is not connected to any target.
68# - inferior 2 has no symbols, and is connected to gdbserver.
69
70# Setting a breakpoint at some function by name should set a
71# breakpoint on inferior 1, since it has symbols, and should not
72# result in any access to inferior 2's remote target.
73
74gdb_test_no_output "set debug remote 1"
75
76foreach inf_sel {1 2} {
77    with_test_prefix "inf $inf_sel" {
78	gdb_test "inferior $inf_sel" "Switching to inferior $inf_sel.*" \
79	    "switch to inferior"
80
81	set test "set breakpoint"
82	gdb_test_multiple "break main" $test {
83	    -re "Sending packet.*$gdb_prompt $" {
84		fail $test
85	    }
86	    -re "^break main\r\nBreakpoint .* at .*$gdb_prompt $" {
87		pass $test
88	    }
89	}
90
91	delete_breakpoints
92    }
93}
94