gdb/testsuite/gdb.gdb/xfullpath.exp

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