gdb/testsuite/gdb.gdb/xfullpath.exp

   1 # Copyright 2002-2013 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
  20 # are we on a target board
  21 if { [is_remote target] || ![isnative] } then {
  22     return
  23 }
  24
  25 proc setup_test { executable } {
  26     global gdb_prompt
  27     global timeout
  28     global INTERNAL_GDBFLAGS
  29
  30     # load yourself into the debugger
  31     # This can take a relatively long time, particularly for testing where
  32     # the executable is being accessed over a network, or where gdb does not
  33     # support partial symbols for a particular target and has to load the
  34     # entire symbol table.  Set the timeout to 10 minutes, which should be
  35     # adequate for most environments (it *has* timed out with 5 min on a
  36     # SPARCstation SLC under moderate load, so this isn't unreasonable).
  37     # After gdb is started, set the timeout to 30 seconds for the duration
  38     # of this test, and then back to the original value.
  39
  40     set oldtimeout $timeout
  41     set timeout 600
  42     verbose "Timeout is now $timeout seconds" 2
  43
  44     global gdb_file_cmd_debug_info
  45     set gdb_file_cmd_debug_info "unset"
  46
  47     set result [gdb_load $executable]
  48     set timeout $oldtimeout
  49     verbose "Timeout is now $timeout seconds" 2
  50
  51     if { $result != 0 } then {
  52         return -1
  53     }
  54
  55     if { $gdb_file_cmd_debug_info != "debug" } then {
  56         untested "No debug information, skipping testcase."
  57         return -1
  58     }
  59
  60     # Set a breakpoint at main
  61     gdb_test "break captured_main" \
  62             "Breakpoint.*at.* file.*, line.*" \
  63             "breakpoint in captured_main"
  64
  65     # run yourself
  66     # It may take a very long time for the inferior gdb to start (lynx),
  67     # so we bump it back up for the duration of this command.
  68     set timeout 600
  69
  70     set description "run until breakpoint at captured_main"
  71     gdb_test_multiple "run $INTERNAL_GDBFLAGS" "$description" {
  72         -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.* at .*main.c:.*$gdb_prompt $" {
  73             pass "$description"
  74         }
  75         -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.*$gdb_prompt $" {
  76             xfail "$description (line numbers scrambled?)"
  77         }
  78         -re "vfork: No more processes.*$gdb_prompt $" {
  79             fail "$description (out of virtual memory)"
  80             set timeout $oldtimeout
  81             verbose "Timeout is now $timeout seconds" 2
  82             return -1
  83         }
  84         -re ".*$gdb_prompt $" {
  85             fail "$description"
  86             set timeout $oldtimeout
  87             verbose "Timeout is now $timeout seconds" 2
  88             return -1
  89         }
  90     }
  91
  92     set timeout $oldtimeout
  93     verbose "Timeout is now $timeout seconds" 2
  94
  95     return 0
  96 }
  97
  98 proc test_with_self { executable } {
  99
 100     set setup_result [setup_test $executable]
 101     if {$setup_result <0} then {
 102         return -1
 103     }
 104
 105     # A file which contains a directory prefix
 106     gdb_test "print xfullpath (\"./xfullpath.exp\")" \
 107              ".\[0-9\]+ =.*\".*/xfullpath.exp\"" \
 108              "A filename with ./ as the directory prefix"
 109
 110     # A file which contains a directory prefix
 111     gdb_test "print xfullpath (\"../../defs.h\")" \
 112              ".\[0-9\]+ =.*\".*/defs.h\"" \
 113              "A filename with ../ in the directory prefix"
 114
 115     # A one-character filename
 116     gdb_test "print xfullpath (\"./a\")" \
 117              ".\[0-9\]+ =.*\".*/a\"" \
 118              "A one-char filename in the current directory"
 119
 120     # A file in the root directory
 121     gdb_test "print xfullpath (\"/root_file_which_should_exist\")" \
 122              ".\[0-9\]+ =.*\"/root_file_which_should_exist\"" \
 123              "A filename in the root directory"
 124
 125     # A file which does not have a directory prefix
 126     gdb_test "print xfullpath (\"xfullpath.exp\")" \
 127              ".\[0-9\]+ =.*\"xfullpath.exp\"" \
 128              "A filename without any directory prefix"
 129
 130     # A one-char filename without any directory prefix
 131     gdb_test "print xfullpath (\"a\")" \
 132              ".\[0-9\]+ =.*\"a\"" \
 133              "A one-char filename without any directory prefix"
 134
 135     # An empty filename
 136     gdb_test "print xfullpath (\"\")" \
 137              ".\[0-9\]+ =.*\"\"" \
 138              "An empty filename"
 139
 140     return 0
 141 }
 142
 143 # Find a pathname to a file that we would execute if the shell was asked
 144 # to run $arg using the current PATH.
 145
 146 proc find_gdb { arg } {
 147
 148     # If the arg directly specifies an existing executable file, then
 149     # simply use it.
 150
 151     if [file executable $arg] then {
 152         return $arg
 153     }
 154
 155     set result [which $arg]
 156     if [string match "/" [ string range $result 0 0 ]] then {
 157         return $result
 158     }
 159
 160     # If everything fails, just return the unqualified pathname as default
 161     # and hope for best.
 162
 163     return $arg
 164 }
 165
 166 # Run the test with self.
 167 # Copy the file executable file in case this OS doesn't like to edit its own
 168 # text space.
 169
 170 set GDB_FULLPATH [find_gdb $GDB]
 171
 172 # Remove any old copy lying around.
 173 remote_file host delete x$tool
 174
 175 gdb_start
 176 set file [remote_download host $GDB_FULLPATH x$tool]
 177 set result [test_with_self $file];
 178 gdb_exit;
 179 catch "remote_file host delete $file";
 180
 181 if {$result <0} then {
 182     warning "Couldn't test self"
 183     return -1
 184 }