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6aba47ca 1# Copyright 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
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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 2 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, write to the Free Software
15# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
16
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17# This file was written by Joel Brobecker. (brobecker@gnat.com), derived
18# from selftest.exp, written by Rob Savoye.
19
20if $tracelevel then {
21 strace $tracelevel
22}
23
24set prms_id 0
25set bug_id 0
26
27# are we on a target board
c1d88655 28if { [is_remote target] || ![isnative] } then {
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29 return
30}
31
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32proc setup_test { executable } {
33 global gdb_prompt
34 global timeout
35
36 # load yourself into the debugger
37 # This can take a relatively long time, particularly for testing where
38 # the executable is being accessed over a network, or where gdb does not
39 # support partial symbols for a particular target and has to load the
40 # entire symbol table. Set the timeout to 10 minutes, which should be
41 # adequate for most environments (it *has* timed out with 5 min on a
42 # SPARCstation SLC under moderate load, so this isn't unreasonable).
43 # After gdb is started, set the timeout to 30 seconds for the duration
44 # of this test, and then back to the original value.
45
46 set oldtimeout $timeout
47 set timeout 600
48 verbose "Timeout is now $timeout seconds" 2
3e3ffd2b 49
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50 global gdb_file_cmd_debug_info
51 set gdb_file_cmd_debug_info "unset"
52
3e3ffd2b 53 set result [gdb_load $executable]
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54 set timeout $oldtimeout
55 verbose "Timeout is now $timeout seconds" 2
56
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57 if { $result != 0 } then {
58 return -1
59 }
60
61 if { $gdb_file_cmd_debug_info != "debug" } then {
62 untested "No debug information, skipping testcase."
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63 return -1
64 }
65
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66 # Set a breakpoint at main
67 gdb_test "break captured_main" \
68 "Breakpoint.*at.* file.*, line.*" \
69 "breakpoint in captured_main"
70
71 # run yourself
72 # It may take a very long time for the inferior gdb to start (lynx),
73 # so we bump it back up for the duration of this command.
74 set timeout 600
75
76 set description "run until breakpoint at captured_main"
77 send_gdb "run -nw\n"
78 gdb_expect {
79 -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.* at .*main.c:.*$gdb_prompt $" {
80 pass "$description"
81 }
82 -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.*$gdb_prompt $" {
83 xfail "$description (line numbers scrambled?)"
84 }
85 -re "vfork: No more processes.*$gdb_prompt $" {
86 fail "$description (out of virtual memory)"
87 set timeout $oldtimeout
88 verbose "Timeout is now $timeout seconds" 2
89 return -1
90 }
91 -re ".*$gdb_prompt $" {
92 fail "$description"
93 set timeout $oldtimeout
94 verbose "Timeout is now $timeout seconds" 2
95 return -1
96 }
97 timeout {
98 fail "$description (timeout)"
99 }
100 }
101
102 set timeout $oldtimeout
103 verbose "Timeout is now $timeout seconds" 2
104
105 return 0
106}
107
108proc test_with_self { executable } {
109
110 set setup_result [setup_test $executable]
111 if {$setup_result <0} then {
112 return -1
113 }
114
115 # A file which contains a directory prefix
116 gdb_test "print xfullpath (\"./xfullpath.exp\")" \
117 ".\[0-9\]+ =.*\".*/xfullpath.exp\"" \
118 "A filename with ./ as the directory prefix"
119
120 # A file which contains a directory prefix
121 gdb_test "print xfullpath (\"../../defs.h\")" \
122 ".\[0-9\]+ =.*\".*/defs.h\"" \
123 "A filename with ../ in the directory prefix"
124
125 # A one-character filename
126 gdb_test "print xfullpath (\"./a\")" \
127 ".\[0-9\]+ =.*\".*/a\"" \
128 "A one-char filename in the current directory"
129
130 # A file in the root directory
131 gdb_test "print xfullpath (\"/root_file_which_should_exist\")" \
132 ".\[0-9\]+ =.*\"/root_file_which_should_exist\"" \
133 "A filename in the root directory"
134
135 # A file which does not have a directory prefix
136 gdb_test "print xfullpath (\"xfullpath.exp\")" \
137 ".\[0-9\]+ =.*\"xfullpath.exp\"" \
138 "A filename without any directory prefix"
139
140 # A one-char filename without any directory prefix
141 gdb_test "print xfullpath (\"a\")" \
142 ".\[0-9\]+ =.*\"a\"" \
143 "A one-char filename without any directory prefix"
144
145 # An empty filename
146 gdb_test "print xfullpath (\"\")" \
147 ".\[0-9\]+ =.*\"\"" \
148 "An empty filename"
149
150 return 0
151}
152
153# Find a pathname to a file that we would execute if the shell was asked
154# to run $arg using the current PATH.
155
156proc find_gdb { arg } {
157
158 # If the arg directly specifies an existing executable file, then
159 # simply use it.
160
161 if [file executable $arg] then {
162 return $arg
163 }
164
165 set result [which $arg]
166 if [string match "/" [ string range $result 0 0 ]] then {
167 return $result
168 }
169
170 # If everything fails, just return the unqualified pathname as default
171 # and hope for best.
172
173 return $arg
174}
175
176# Run the test with self.
177# Copy the file executable file in case this OS doesn't like to edit its own
178# text space.
179
180set GDB_FULLPATH [find_gdb $GDB]
181
182# Remove any old copy lying around.
183remote_file host delete x$tool
184
185gdb_start
186set file [remote_download host $GDB_FULLPATH x$tool]
187set result [test_with_self $file];
188gdb_exit;
189catch "remote_file host delete $file";
190
191if {$result <0} then {
192 warning "Couldn't test self"
193 return -1
194}