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

   1 # Copyright 2013-2016 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 set has_argv0 [gdb_has_argv0]
  19
  20 if { [build_executable ${testfile}.exp ${testfile} ${srcfile}] == -1 } {
  21     return -1
  22 }
  23
  24 set test "kept file symbolic link name"
  25 set filelink "${testfile}-filelink"
  26
  27 remote_file host delete [standard_output_file $filelink]
  28 set status [remote_exec host "ln -sf ${testfile} [standard_output_file $filelink]"]
  29 if {[lindex $status 0] != 0} {
  30     unsupported "$test (host does not support symbolic links)"
  31     return 0
  32 }
  33
  34 clean_restart "$filelink"
  35
  36 if ![runto_main] {
  37     untested "could not run to main"
  38     return -1
  39 }
  40
  41 gdb_test_no_output "set print repeats 10000"
  42 gdb_test_no_output "set print elements 10000"
  43
  44 if { $has_argv0 } {
  45     gdb_test {print argv[0]} "/$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.
  53 set full_filelink [standard_output_file $filelink]
  54 set lastdir [file tail [file dirname $full_filelink]]
  55
  56 gdb_test "info inferiors" "/$lastdir/$filelink *" "$test for info inferiors"
  57
  58
  59 set test "kept directory symbolic link name"
  60 set 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.
  65 remote_exec host "rm -f [standard_output_file $dirlink]"
  66 set status [remote_exec host "ln -sf . [standard_output_file $dirlink]"]
  67 if {[lindex $status 0] != 0} {
  68     unsupported "$test (host does not support symbolic links)"
  69     return 0
  70 }
  71
  72 clean_restart "$dirlink/$filelink"
  73
  74 if ![runto_main] {
  75     untested "could not run to main"
  76     return -1
  77 }
  78
  79 gdb_test_no_output "set print repeats 10000"
  80 gdb_test_no_output "set print elements 10000"
  81
  82 if { $has_argv0 } {
  83     # gdbserver does not have this issue.
  84     if ![is_remote target] {
  85         setup_kfail "*-*-*" gdb/15934
  86     }
  87     gdb_test {print argv[0]} "/$dirlink/$filelink\"" $test
  88 } else {
  89     unsupported $test
  90 }
  91
  92 gdb_test "info inferiors" "/$lastdir/$filelink *" "$test for info inferiors"