gdb/testsuite/gdb.base/fileio.exp

   1 #   Copyright 2002-2021 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 Corinna Vinschen <vinschen@redhat.com>
  17
  18 if [target_info exists gdb,nofileio] {
  19     verbose "Skipping fileio.exp because of no fileio capabilities."
  20     continue
  21 }
  22
  23
  24 standard_testfile
  25
  26 if {[is_remote host]} {
  27     set outdir .
  28 } else {
  29     set outdir [standard_output_file {}]
  30 }
  31
  32 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
  33            executable \
  34            [list debug "additional_flags=-DOUTDIR=\"$outdir/\""]] != "" } {
  35     untested "failed to compile"
  36     return -1
  37 }
  38
  39 # Create and source the file that provides information about the compiler
  40 # used to compile the test case.
  41
  42 if [get_compiler_info] {
  43     return -1
  44 }
  45
  46 set dir2 [standard_output_file dir2.fileio.test]
  47 if {[file exists $dir2] && ![file writable $dir2]} {
  48     system "chmod +w $dir2"
  49 }
  50 system "rm -rf [standard_output_file *.fileio.test]"
  51
  52 set oldtimeout $timeout
  53 set timeout [expr "$timeout + 60"]
  54
  55 # Start with a fresh gdb.
  56
  57 gdb_exit
  58 gdb_start
  59 gdb_reinitialize_dir $srcdir/$subdir
  60 gdb_load ${binfile}
  61 gdb_test_no_output "set print sevenbit-strings"
  62 gdb_test_no_output "set print address off"
  63 gdb_test_no_output "set width 0"
  64
  65 if ![runto_main] then {
  66     perror "couldn't run to breakpoint"
  67     continue
  68 }
  69
  70 gdb_test "break stop" "Breakpoint .*$srcfile.*"
  71
  72 set stop_msg ".*Breakpoint .* stop \\(\\) at.*$srcfile:.*static void stop \\(void\\) {}.*"
  73
  74 gdb_test continue \
  75 "Continuing\\..*open 1:.*OK$stop_msg" \
  76 "Open a file"
  77
  78 gdb_test continue \
  79 "Continuing\\..*open 2:.*EEXIST$stop_msg" \
  80 "Creating already existing file returns EEXIST"
  81
  82 gdb_test continue \
  83 "Continuing\\..*open 3:.*EISDIR$stop_msg" \
  84 "Open directory for writing returns EISDIR"
  85
  86 gdb_test continue \
  87 "Continuing\\..*open 4:.*ENOENT$stop_msg" \
  88 "Opening nonexistant file returns ENOENT"
  89
  90 gdb_test "continue" ".*" ""
  91
  92 catch "system \"chmod -f -w [standard_output_file nowrt.fileio.test]\""
  93
  94 gdb_test continue \
  95 "Continuing\\..*open 5:.*EACCES$stop_msg" \
  96 "Open for write but no write permission returns EACCES"
  97
  98 gdb_test continue \
  99 "Continuing\\..*write 1:.*OK$stop_msg" \
 100 "Writing to a file"
 101
 102 gdb_test continue \
 103 "Continuing\\..*write 2:.*EBADF$stop_msg" \
 104 "Write using invalid file descriptor returns EBADF"
 105
 106 gdb_test continue \
 107 "Continuing\\..*write 3:.*EBADF$stop_msg" \
 108 "Writing to a read-only file returns EBADF"
 109
 110 gdb_test continue \
 111 "Continuing\\..*read 1:.*OK$stop_msg" \
 112 "Reading from a file"
 113
 114 gdb_test continue \
 115 "Continuing\\..*read 2:.*EBADF$stop_msg" \
 116 "Read using invalid file descriptor returns EBADF"
 117
 118 gdb_test continue \
 119 "Continuing\\..*lseek 1:.*OK$stop_msg" \
 120 "Lseeking CUR a file"
 121
 122 gdb_test continue \
 123 "Continuing\\..*lseek 2:.*OK$stop_msg" \
 124 "Lseeking END a file"
 125
 126 gdb_test continue \
 127 "Continuing\\..*lseek 3:.*OK$stop_msg" \
 128 "Lseeking SET a file"
 129
 130
 131 gdb_test continue \
 132 "Continuing\\..*close 1:.*OK$stop_msg" \
 133 "Closing a file"
 134
 135 gdb_test continue \
 136 "Continuing\\..*close 2:.*EBADF$stop_msg" \
 137 "Closing an invalid file descriptor returns EBADF"
 138
 139 gdb_test continue \
 140 "Continuing\\..*stat 1:.*OK$stop_msg" \
 141 "Stat a file"
 142
 143 gdb_test continue \
 144         "Continuing\\..*stat 2:.*(ENOENT|EFAULT)$stop_msg" \
 145 "Stat a NULL pathname returns ENOENT or EFAULT"
 146
 147 gdb_test continue \
 148 "Continuing\\..*stat 3:.*ENOENT$stop_msg" \
 149 "Stat an empty pathname returns ENOENT"
 150
 151 gdb_test continue \
 152 "Continuing\\..*stat 4:.*ENOENT$stop_msg" \
 153 "Stat a nonexistant file returns ENOENT"
 154
 155 gdb_test continue \
 156 "Continuing\\..*fstat 1:.*OK$stop_msg" \
 157 "Fstat an open file"
 158
 159 gdb_test continue \
 160 "Continuing\\..*fstat 2:.*EBADF$stop_msg" \
 161 "Fstat an invalid file descriptor returns EBADF"
 162
 163 gdb_test continue \
 164 "Continuing\\..*isatty 1:.*OK$stop_msg" \
 165 "Isatty (stdin)"
 166
 167 gdb_test continue \
 168 "Continuing\\..*isatty 2:.*OK$stop_msg" \
 169 "Isatty (stdout)"
 170
 171 gdb_test continue \
 172 "Continuing\\..*isatty 3:.*OK$stop_msg" \
 173 "Isatty (stderr)"
 174
 175 gdb_test continue \
 176 "Continuing\\..*isatty 4:.*OK$stop_msg" \
 177 "Isatty (invalid fd)"
 178
 179 gdb_test continue \
 180 "Continuing\\..*isatty 5:.*OK$stop_msg" \
 181 "Isatty (open file)"
 182
 183 gdb_test_no_output "set debug remote 1"
 184 set msg "System says shell is not available"
 185 gdb_test_multiple "continue" $msg {
 186     -re "Continuing\\..*Fsystem.*system 1:.*OK$stop_msg\r\n$gdb_prompt $" {
 187         pass $msg
 188     }
 189     -re ".*Fsystem.*$gdb_prompt $" {
 190         fail $msg
 191     }
 192     -re "$gdb_prompt $" {
 193         unsupported $msg
 194     }
 195 }
 196 gdb_test_no_output "set debug remote 0"
 197
 198 gdb_test_no_output "set remote system-call-allowed 1"
 199
 200 gdb_test continue \
 201 "Continuing\\..*system 2:.*OK$stop_msg" \
 202 "System says shell is available"
 203
 204 gdb_test continue \
 205 "Continuing\\..*system 3:.*OK$stop_msg" \
 206 "System(3) call"
 207
 208 # Is this ok?  POSIX says system returns a waitpid status?
 209 gdb_test continue \
 210 "Continuing\\..*system 4:.*OK$stop_msg" \
 211 "System with invalid command returns 127"
 212
 213 # Prepare the directory for rename tests in case that test_system
 214 # failed to create.
 215 set dir1 [file join $outdir "dir1.fileio.test" "subdir.fileio.test"]
 216 remote_exec host "mkdir -p $dir1"
 217 set dir1 [file join $outdir "dir2.fileio.test"]
 218 remote_exec host "mkdir $dir1"
 219
 220 gdb_test continue \
 221 "Continuing\\..*rename 1:.*OK$stop_msg" \
 222 "Rename a file"
 223
 224 gdb_test continue \
 225 "Continuing\\..*rename 2:.*EISDIR$stop_msg" \
 226 "Renaming a file to existing directory returns EISDIR"
 227
 228 set test "renaming a directory to a non-empty directory returns ENOTEMPTY or EEXIST"
 229 gdb_test_multiple continue "${test}" {
 230     -re "Continuing\\..*rename 3:.*(ENOTEMPTY|EEXIST)$stop_msg$gdb_prompt $" {
 231         pass "${test}"
 232     }
 233     -re "Continuing\\..*rename 3:.*EBUSY$stop_msg$gdb_prompt $" {
 234         # At least version <= 2.6/2004-01-08 of the Linux Kernel gets
 235         # this wrong (reporting EBUSY) when the file system is NFS
 236         # mounted.
 237         setup_xfail *-*-*linux* gdb/1502
 238         fail "${test}"
 239     }
 240 }
 241
 242 gdb_test continue \
 243 "Continuing\\..*rename 4:.*EINVAL$stop_msg" \
 244 "Renaming a directory to a subdir of itself returns EINVAL"
 245
 246 gdb_test continue \
 247 "Continuing\\..*rename 5:.*ENOENT$stop_msg" \
 248 "Renaming a nonexistant file returns ENOENT"
 249
 250 gdb_test continue \
 251 "Continuing\\..*unlink 1:.*OK$stop_msg" \
 252 "Unlink a file"
 253
 254 # This test fails on Cygwin because unlink() succeeds on Win32 systems
 255 # in that situation.
 256 if [ishost *cygwin*] {
 257     setup_xfail "*-*-*"
 258 }
 259 gdb_test continue \
 260 "Continuing\\..*unlink 2:.*EACCES$stop_msg" \
 261 "Unlinking a file in a directory w/o write access returns EACCES"
 262
 263 gdb_test continue \
 264 "Continuing\\..*unlink 3:.*ENOENT$stop_msg" \
 265 "Unlinking a nonexistant file returns ENOENT"
 266
 267 gdb_test continue \
 268 "Continuing\\..*time 1:.*OK$stop_msg" \
 269 "Time(2) call returns the same value as in parameter"
 270
 271 sleep 2
 272 gdb_test continue \
 273 "Continuing\\..*time 2:.*OK$stop_msg" \
 274 "Time(2) returns feasible values"
 275
 276 gdb_exit
 277
 278 # Make dir2 writable again so rm -rf of a build tree Just Works.
 279 if {[file exists $dir2] && ![file writable $dir2]} {
 280     system "chmod +w $dir2"
 281 }
 282
 283 set timeout $oldtimeout
 284 return 0