xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.base/argv0-symlink.exp (revision 7c192b2a5e1093666e67801684f930ef49b3b363)
1# Copyright 2013-2015 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
18set has_argv0 [gdb_has_argv0]
19
20if { [build_executable ${testfile}.exp ${testfile} ${srcfile}] == -1 } {
21    return -1
22}
23
24set test "kept file symbolic link name"
25set filelink "${testfile}-filelink"
26
27remote_file host delete [standard_output_file $filelink]
28set status [remote_exec host "ln -sf ${testfile} [standard_output_file $filelink]"]
29if {[lindex $status 0] != 0} {
30    unsupported "$test (host does not support symbolic links)"
31    return 0
32}
33
34clean_restart "$filelink"
35
36if ![runto_main] {
37    untested "could not run to main"
38    return -1
39}
40
41gdb_test_no_output "set print repeats 10000"
42gdb_test_no_output "set print elements 10000"
43
44if { $has_argv0 } {
45    gdb_test {print argv[0]} "/$filelink\"" $test
46} else {
47    unsupported $test
48}
49
50# For a link named /PATH/TO/DIR/LINK, we want to check the output
51# against "/DIR/LINK", but computed in a way that doesn't make
52# assumptions about the test directory layout.
53set full_filelink [standard_output_file $filelink]
54set lastdir [file tail [file dirname $full_filelink]]
55
56gdb_test "info inferiors" "/$lastdir/$filelink *" "$test for info inferiors"
57
58
59set test "kept directory symbolic link name"
60set dirlink "${testfile}-dirlink"
61
62# 'ln -sf' does not overwrite symbol link to a directory.
63# 'remote_file host delete' uses stat (not lstat), therefore it refuses to
64# delete a directory.
65remote_exec host "rm -f [standard_output_file $dirlink]"
66set status [remote_exec host "ln -sf . [standard_output_file $dirlink]"]
67if {[lindex $status 0] != 0} {
68    unsupported "$test (host does not support symbolic links)"
69    return 0
70}
71
72clean_restart "$dirlink/$filelink"
73
74if ![runto_main] {
75    untested "could not run to main"
76    return -1
77}
78
79gdb_test_no_output "set print repeats 10000"
80gdb_test_no_output "set print elements 10000"
81
82if { $has_argv0 } {
83    # gdbserver does not have this issue.
84    if ![is_remote target] {
85	setup_kfail "*-*-*" gdb/15934
86    }
87    gdb_test {print argv[0]} "/$dirlink/$filelink\"" $test
88} else {
89    unsupported $test
90}
91
92gdb_test "info inferiors" "/$lastdir/$filelink *" "$test for info inferiors"
93