gdb/testsuite/gdb.base/corefile.exp

   1 # Copyright 1992-2000, 2007-2012 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 Fred Fish. (fnf@cygnus.com)
  17
  18
  19 # are we on a target board
  20 if ![isnative] then {
  21     return
  22 }
  23
  24 set testfile "coremaker"
  25 set srcfile ${testfile}.c
  26 set binfile ${objdir}/${subdir}/${testfile}
  27 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  28      untested corefile.exp
  29      return -1
  30 }
  31
  32 # Create and source the file that provides information about the compiler
  33 # used to compile the test case.
  34 if [get_compiler_info] {
  35     return -1;
  36 }
  37
  38 set corefile [core_find $binfile {coremmap.data}]
  39 if {$corefile == ""} {
  40     return 0
  41 }
  42
  43 # Test that we can simply startup with a "-core=$corefile" command line arg
  44 # and recognize that the core file is a valid, usable core file.
  45 # To do this, we must shutdown the currently running gdb and restart
  46 # with the -core args.  We can't use gdb_start because it looks for
  47 # the first gdb prompt, and the message we are looking for occurs
  48 # before the first prompt.
  49 #
  50 # Another problem is that on some systems (solaris for example), there
  51 # is apparently a limit on the length of a fully specified path to
  52 # the coremaker executable, at about 80 chars.  For this case, consider
  53 # it a pass, but note that the program name is bad.
  54
  55 gdb_exit
  56 if $verbose>1 then {
  57     send_user "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS -core=$corefile\n"
  58 }
  59
  60 set oldtimeout $timeout
  61 set timeout [expr "$timeout + 60"]
  62 verbose "Timeout is now $timeout seconds" 2
  63 eval "spawn $GDB $INTERNAL_GDBFLAGS $GDBFLAGS -core=$corefile"
  64 expect {
  65     -re "Couldn't find .* registers in core file.*$gdb_prompt $" {
  66         fail "args: -core=[file tail $corefile] (couldn't find regs)"
  67     }
  68     -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
  69         pass "args: -core=[file tail $corefile]"
  70     }
  71     -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
  72         pass "args: -core=[file tail $corefile] (with bad program name)"
  73     }
  74     -re ".*registers from core file: File in wrong format.* $" {
  75         fail "args: -core=[file tail $corefile] (could not read registers from core file)"
  76     }
  77     -re ".*$gdb_prompt $"       { fail "args: -core=[file tail $corefile]" }
  78     timeout             { fail "(timeout) starting with -core" }
  79 }
  80
  81
  82 #
  83 # Test that startup with both an executable file and -core argument.
  84 # See previous comments above, they are still applicable.
  85 #
  86
  87 close;
  88
  89 if $verbose>1 then {
  90     send_user "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS $binfile -core=$corefile\n"
  91 }
  92
  93
  94 eval "spawn $GDB $INTERNAL_GDBFLAGS $GDBFLAGS $binfile -core=$corefile";
  95 expect {
  96     -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
  97         pass "args: execfile -core=[file tail $corefile]"
  98     }
  99     -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $"     {
 100         pass "args: execfile -core=[file tail $corefile] (with bad program name)"
 101     }
 102     -re ".*registers from core file: File in wrong format.* $" {
 103         fail "args: execfile -core=[file tail $corefile] (could not read registers from core file)"
 104     }
 105     -re ".*$gdb_prompt $"       { fail "args: execfile -core=[file tail $corefile]" }
 106     timeout             { fail "(timeout) starting with -core" }
 107 }
 108 set timeout $oldtimeout
 109 verbose "Timeout is now $timeout seconds" 2
 110
 111 close;
 112
 113 # Now restart normally.
 114
 115 gdb_start
 116 gdb_reinitialize_dir $srcdir/$subdir
 117 gdb_load ${binfile}
 118
 119 # Test basic corefile recognition via core-file command.
 120
 121 gdb_test_multiple "core-file $corefile" "core-file command" {
 122     -re ".* program is being debugged already.*y or n. $" {
 123         # gdb_load may connect us to a gdbserver.
 124         send_gdb "y\n"
 125         exp_continue;
 126     }
 127     -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
 128         pass "core-file command"
 129     }
 130     -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
 131         pass "core-file command (with bad program name)"
 132     }
 133     -re ".*registers from core file: File in wrong format.* $" {
 134         fail "core-file command (could not read registers from core file)"
 135     }
 136 }
 137
 138 # Test correct mapping of corefile sections by printing some variables.
 139
 140 gdb_test "print coremaker_data" "\\\$$decimal = 202"
 141 gdb_test "print coremaker_bss" "\\\$$decimal = 10"
 142 gdb_test "print coremaker_ro" "\\\$$decimal = 201"
 143
 144 gdb_test "print func2::coremaker_local" "\\\$$decimal = \\{0, 1, 2, 3, 4\\}"
 145
 146 # Somehow we better test the ability to read the registers out of the core
 147 # file correctly.  I don't think the other tests do this.
 148
 149 gdb_test "bt" "abort.*func2.*func1.*main.*" "backtrace in corefile.exp"
 150 gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp"
 151
 152 # Test ability to read mmap'd data
 153
 154 gdb_test "x/8bd buf1" ".*:.*0.*1.*2.*3.*4.*5.*6.*7" "accessing original mmap data in core file"
 155 setup_xfail "*-*-sunos*" "*-*-ultrix*" "*-*-aix*"
 156 set test "accessing mmapped data in core file"
 157 gdb_test_multiple "x/8bd buf2" "$test" {
 158     -re ".*:.*0.*1.*2.*3.*4.*5.*6.*7.*$gdb_prompt $" {
 159         pass "$test"
 160     }
 161     -re "0x\[f\]*:.*Cannot access memory at address 0x\[f\]*.*$gdb_prompt $" {
 162         fail "$test (mapping failed at runtime)"
 163     }
 164     -re "0x.*:.*Cannot access memory at address 0x.*$gdb_prompt $" {
 165         fail "$test (mapping address not found in core file)"
 166     }
 167 }
 168
 169 # test reinit_frame_cache
 170
 171 gdb_load ${binfile}
 172 gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp (reinit)"
 173
 174 gdb_test "core" "No core file now."
 175
 176
 177 # Test a run (start) command will clear any loaded core file.
 178
 179 gdb_test "core-file $corefile" "Core was generated by .*" "run: load core again"
 180 gdb_test "info files" "\r\nLocal core dump file:\r\n.*" "run: sanity check we see the core file"
 181
 182 set test "run: with core"
 183 if [runto_main] {
 184     pass $test
 185 } else {
 186     fail $test
 187 }
 188
 189 set test "run: core file is cleared"
 190 gdb_test_multiple "info files" $test {
 191     -re "\r\nLocal core dump file:\r\n.*\r\n$gdb_prompt $" {
 192         fail $test
 193     }
 194     -re "\r\n$gdb_prompt $" {
 195         pass $test
 196     }
 197 }
 198
 199 set test "quit with a process"
 200 gdb_test_multiple "quit" $test {
 201     -re "A debugging session is active.\r\n.*\r\nQuit anyway\\? \\(y or n\\) $" {
 202         pass $test
 203         gdb_test "n" {Not confirmed\.} "quit with processes: n"
 204     }
 205 }
 206
 207 gdb_exit
 208
 209 # Verify there is no question if only a core file is loaded.
 210
 211 gdb_start
 212 gdb_test "core-file $corefile" "Core was generated by .*" "no question: load core"
 213
 214 set test "quit with a core file"
 215 gdb_test_multiple "quit" $test {
 216     -re "A debugging session is active.\r\n.*\r\nQuit anyway\\? \\(y or n\\) $" {
 217         fail $test
 218         gdb_test "n" {Not confirmed\.} "quit with processes: n"
 219     }
 220     eof {
 221         pass $test
 222     }
 223 }
 224
 225 gdb_exit
 226
 227 # Test an attach command will clear any loaded core file.
 228
 229 if ![is_remote target] {
 230     set test "attach: spawn sleep"
 231     set res [remote_spawn host "$binfile sleep"];
 232     if { $res < 0 || $res == "" } {
 233         fail $test
 234         return
 235     }
 236     set pid [exp_pid -i $res]
 237     # We don't care whether the program is still in the startup phase when we
 238     # attach.
 239
 240     gdb_start
 241
 242     gdb_test "core-file $corefile" "Core was generated by .*" "attach: load core again"
 243     gdb_test "info files" "\r\nLocal core dump file:\r\n.*" "attach: sanity check we see the core file"
 244
 245     gdb_test "attach $pid" "Attaching to process $pid\r\n.*" "attach: with core"
 246
 247     set test "attach: core file is cleared"
 248     gdb_test_multiple "info files" $test {
 249         -re "\r\nLocal core dump file:\r\n.*\r\n$gdb_prompt $" {
 250             fail $test
 251         }
 252         -re "\r\n$gdb_prompt $" {
 253             pass $test
 254         }
 255     }
 256
 257     gdb_exit
 258 }