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1 | # This testcase is part of GDB, the GNU debugger. |
2 | ||
b811d2c2 | 3 | # Copyright 2016-2020 Free Software Foundation, Inc. |
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4 | |
5 | # This program is free software; you can redistribute it and/or modify | |
6 | # it under the terms of the GNU General Public License as published by | |
7 | # the Free Software Foundation; either version 3 of the License, or | |
8 | # (at your option) any later version. | |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | ||
18 | # Test GDB's ability to properly connect to GDBserver with no pre-opened | |
19 | # symbol file. If GDB is buggy, it will drop the connection when | |
20 | # it attempts to open the symbol file indicated by GDBserver and fails. | |
21 | # | |
22 | # This test is only meaningful for standard remote connections. | |
23 | ||
24 | load_lib gdbserver-support.exp | |
25 | ||
26 | standard_testfile | |
27 | ||
28 | if { [skip_gdbserver_tests] } { | |
29 | return 0 | |
30 | } | |
31 | ||
5b362f04 | 32 | if { [prepare_for_testing "failed to prepare" $testfile $srcfile debug] } { |
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33 | return -1 |
34 | } | |
35 | ||
36 | # Test connecting GDB to GDBserver without loading a symbol file. | |
37 | # | |
38 | # SYSROOT is the desired sysroot string | |
39 | # | |
40 | # ACTION is the action to perform to the symbol file on the target. | |
41 | # It can be either "permission" to deny access to the file or "delete" | |
42 | # to remove the file. | |
43 | # | |
44 | proc connect_no_symbol_file { sysroot action } { | |
45 | global binfile | |
46 | ||
47 | with_test_prefix "setup" { | |
48 | # Copy the symbol file to the target. | |
49 | gdb_remote_download target $binfile.bak $binfile | |
50 | ||
51 | # Make sure we're disconnected, in case we're testing with an | |
52 | # extended-remote board, therefore already connected. | |
d1e36019 | 53 | gdb_test "disconnect" ".*" |
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54 | |
55 | # Discard any symbol files that we have opened. | |
56 | gdb_test "file" ".*" "discard symbol table" \ | |
57 | {Discard symbol table from `.*'\? \(y or n\) } "y" | |
58 | ||
59 | # Set sysroot to something non-target and possibly also invalid so that | |
60 | # GDB is unable to open the symbol file. | |
61 | gdb_test_no_output "set sysroot $sysroot" "adjust sysroot" | |
62 | ||
63 | set target_exec [gdbserver_download_current_prog] | |
64 | ||
65 | # Start GDBserver. | |
66 | set res [gdbserver_start "" $target_exec] | |
67 | ||
68 | set gdbserver_protocol [lindex $res 0] | |
69 | set gdbserver_gdbport [lindex $res 1] | |
70 | ||
71 | # Perform test actions to the symbol file on the target. | |
72 | if { $action == "delete" } then { | |
73 | remote_file target delete $binfile | |
74 | } elseif { $action == "permission" } { | |
75 | remote_spawn target "chmod 000 $binfile" | |
76 | } | |
77 | ||
78 | # Connect to GDBserver. | |
79 | gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport | |
80 | } | |
81 | ||
82 | # Check if GDB succeeded connecting to GDBserver by attempting to detach | |
83 | # from the process. | |
84 | gdb_test "detach" \ | |
85 | ".*Detaching from program: , process.*Ending remote debugging.*" \ | |
86 | "connection to GDBserver succeeded" | |
87 | } | |
88 | ||
89 | # Make sure we have the original symbol file in a safe place to copy from. | |
90 | gdb_remote_download host $binfile $binfile.bak | |
91 | ||
92 | # Run the test with different permutations. | |
93 | foreach_with_prefix sysroot {"" "target:"} { | |
94 | foreach_with_prefix action {"permission" "delete"} { | |
95 | connect_no_symbol_file $sysroot $action | |
96 | } | |
97 | } |