gdb/testsuite/gdb.base/argv0-symlink.exp

   1 # Copyright 2013-2014 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 standard_testfile
  17
  18 if { [build_executable ${testfile}.exp ${testfile} ${srcfile}] == -1 } {
  19     return -1
  20 }
  21
  22 set test "kept file symbolic link name"
  23 set filelink "${testfile}-filelink"
  24
  25 remote_file host delete [standard_output_file $filelink]
  26 set status [remote_exec host "ln -sf ${testfile} [standard_output_file $filelink]"]
  27 if {[lindex $status 0] != 0} {
  28     unsupported "$test (host does not support symbolic links)"
  29     return 0
  30 }
  31
  32 clean_restart "$filelink"
  33
  34 if ![runto_main] {
  35     untested "could not run to main"
  36     return -1
  37 }
  38
  39 gdb_test {print argv[0]} "/$filelink\"" $test
  40
  41 # For a link named /PATH/TO/DIR/LINK, we want to check the output
  42 # against "/DIR/LINK", but computed in a way that doesn't make
  43 # assumptions about the test directory layout.
  44 set full_filelink [standard_output_file $filelink]
  45 set lastdir [file tail [file dirname $full_filelink]]
  46
  47 gdb_test "info inferiors" "/$lastdir/$filelink *" "$test for info inferiors"
  48
  49
  50 set test "kept directory symbolic link name"
  51 set dirlink "${testfile}-dirlink"
  52
  53 # 'ln -sf' does not overwrite symbol link to a directory.
  54 # 'remote_file host delete' uses stat (not lstat), therefore it refuses to
  55 # delete a directory.
  56 remote_exec host "rm -f [standard_output_file $dirlink]"
  57 set status [remote_exec host "ln -sf . [standard_output_file $dirlink]"]
  58 if {[lindex $status 0] != 0} {
  59     unsupported "$test (host does not support symbolic links)"
  60     return 0
  61 }
  62
  63 clean_restart "$dirlink/$filelink"
  64
  65 if ![runto_main] {
  66     untested "could not run to main"
  67     return -1
  68 }
  69
  70 # gdbserver does not have this issue.
  71 if ![is_remote target] {
  72     setup_kfail "*-*-*" gdb/15934
  73 }
  74 gdb_test {print argv[0]} "/$dirlink/$filelink\"" $test
  75 gdb_test "info inferiors" "/$lastdir/$filelink *" "$test for info inferiors"