gdb/testsuite/gdb.base/corefile.exp

   1 # Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2007, 2008,
   2 # 2009, 2010, 2011 Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # This file was written by Fred Fish. (fnf@cygnus.com)
  18
  19 if $tracelevel then {
  20         strace $tracelevel
  21 }
  22
  23
  24 # are we on a target board
  25 if ![isnative] then {
  26     return
  27 }
  28
  29 set testfile "coremaker"
  30 set srcfile ${testfile}.c
  31 set binfile ${objdir}/${subdir}/${testfile}
  32 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  33      untested corefile.exp
  34      return -1
  35 }
  36
  37 # Create and source the file that provides information about the compiler
  38 # used to compile the test case.
  39 if [get_compiler_info ${binfile}] {
  40     return -1;
  41 }
  42
  43 set corefile [core_find $binfile {coremmap.data}]
  44 if {$corefile == ""} {
  45     return 0
  46 }
  47
  48 # Test that we can simply startup with a "-core=$corefile" command line arg
  49 # and recognize that the core file is a valid, usable core file.
  50 # To do this, we must shutdown the currently running gdb and restart
  51 # with the -core args.  We can't use gdb_start because it looks for
  52 # the first gdb prompt, and the message we are looking for occurs
  53 # before the first prompt.
  54 #
  55 # Another problem is that on some systems (solaris for example), there
  56 # is apparently a limit on the length of a fully specified path to
  57 # the coremaker executable, at about 80 chars.  For this case, consider
  58 # it a pass, but note that the program name is bad.
  59
  60 gdb_exit
  61 if $verbose>1 then {
  62     send_user "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS -core=$corefile\n"
  63 }
  64
  65 set oldtimeout $timeout
  66 set timeout [expr "$timeout + 60"]
  67 verbose "Timeout is now $timeout seconds" 2
  68 eval "spawn $GDB $INTERNAL_GDBFLAGS $GDBFLAGS -core=$corefile"
  69 expect {
  70     -re "Couldn't find .* registers in core file.*$gdb_prompt $" {
  71         fail "args: -core=[file tail $corefile] (couldn't find regs)"
  72     }
  73     -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
  74         pass "args: -core=[file tail $corefile]"
  75     }
  76     -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
  77         pass "args: -core=[file tail $corefile] (with bad program name)"
  78     }
  79     -re ".*registers from core file: File in wrong format.* $" {
  80         fail "args: -core=[file tail $corefile] (could not read registers from core file)"
  81     }
  82     -re ".*$gdb_prompt $"       { fail "args: -core=[file tail $corefile]" }
  83     timeout             { fail "(timeout) starting with -core" }
  84 }
  85
  86
  87 #
  88 # Test that startup with both an executable file and -core argument.
  89 # See previous comments above, they are still applicable.
  90 #
  91
  92 close;
  93
  94 if $verbose>1 then {
  95     send_user "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS $binfile -core=$corefile\n"
  96 }
  97
  98
  99 eval "spawn $GDB $INTERNAL_GDBFLAGS $GDBFLAGS $binfile -core=$corefile";
 100 expect {
 101     -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
 102         pass "args: execfile -core=[file tail $corefile]"
 103     }
 104     -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $"     {
 105         pass "args: execfile -core=[file tail $corefile] (with bad program name)"
 106     }
 107     -re ".*registers from core file: File in wrong format.* $" {
 108         fail "args: execfile -core=[file tail $corefile] (could not read registers from core file)"
 109     }
 110     -re ".*$gdb_prompt $"       { fail "args: execfile -core=[file tail $corefile]" }
 111     timeout             { fail "(timeout) starting with -core" }
 112 }
 113 set timeout $oldtimeout
 114 verbose "Timeout is now $timeout seconds" 2
 115
 116 close;
 117
 118 # Now restart normally.
 119
 120 gdb_start
 121 gdb_reinitialize_dir $srcdir/$subdir
 122 gdb_load ${binfile}
 123
 124 # Test basic corefile recognition via core-file command.
 125
 126 gdb_test_multiple "core-file $corefile" "core-file command" {
 127     -re ".* program is being debugged already.*y or n. $" {
 128         # gdb_load may connect us to a gdbserver.
 129         send_gdb "y\n"
 130         exp_continue;
 131     }
 132     -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
 133         pass "core-file command"
 134     }
 135     -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
 136         pass "core-file command (with bad program name)"
 137     }
 138     -re ".*registers from core file: File in wrong format.* $" {
 139         fail "core-file command (could not read registers from core file)"
 140     }
 141 }
 142
 143 # Test correct mapping of corefile sections by printing some variables.
 144
 145 gdb_test "print coremaker_data" "\\\$$decimal = 202"
 146 gdb_test "print coremaker_bss" "\\\$$decimal = 10"
 147 gdb_test "print coremaker_ro" "\\\$$decimal = 201"
 148
 149 gdb_test "print func2::coremaker_local" "\\\$$decimal = \\{0, 1, 2, 3, 4\\}"
 150
 151 # Somehow we better test the ability to read the registers out of the core
 152 # file correctly.  I don't think the other tests do this.
 153
 154 gdb_test "bt" "abort.*func2.*func1.*main.*" "backtrace in corefile.exp"
 155 gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp"
 156
 157 # Test ability to read mmap'd data
 158
 159 gdb_test "x/8bd buf1" ".*:.*0.*1.*2.*3.*4.*5.*6.*7" "accessing original mmap data in core file"
 160 setup_xfail "*-*-sunos*" "*-*-ultrix*" "*-*-aix*"
 161 set test "accessing mmapped data in core file"
 162 gdb_test_multiple "x/8bd buf2" "$test" {
 163     -re ".*:.*0.*1.*2.*3.*4.*5.*6.*7.*$gdb_prompt $" {
 164         pass "$test"
 165     }
 166     -re "0x\[f\]*:.*Cannot access memory at address 0x\[f\]*.*$gdb_prompt $" {
 167         fail "$test (mapping failed at runtime)"
 168     }
 169     -re "0x.*:.*Cannot access memory at address 0x.*$gdb_prompt $" {
 170         fail "$test (mapping address not found in core file)"
 171     }
 172 }
 173
 174 # test reinit_frame_cache
 175
 176 gdb_load ${binfile}
 177 gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp (reinit)"
 178
 179 gdb_test "core" "No core file now."
 180
 181
 182 # Test a run (start) command will clear any loaded core file.
 183
 184 gdb_test "core-file $corefile" "Core was generated by .*" "run: load core again"
 185 gdb_test "info files" "\r\nLocal core dump file:\r\n.*" "run: sanity check we see the core file"
 186
 187 set test "run: with core"
 188 if [runto_main] {
 189     pass $test
 190 } else {
 191     fail $test
 192 }
 193
 194 set test "run: core file is cleared"
 195 gdb_test_multiple "info files" $test {
 196     -re "\r\nLocal core dump file:\r\n.*\r\n$gdb_prompt $" {
 197         fail $test
 198     }
 199     -re "\r\n$gdb_prompt $" {
 200         pass $test
 201     }
 202 }
 203
 204 set test "quit with a process"
 205 gdb_test_multiple "quit" $test {
 206     -re "A debugging session is active.\r\n.*\r\nQuit anyway\\? \\(y or n\\) $" {
 207         pass $test
 208         gdb_test "n" {Not confirmed\.} "quit with processes: n"
 209     }
 210 }
 211
 212 gdb_exit
 213
 214 # Verify there is no question if only a core file is loaded.
 215
 216 gdb_start
 217 gdb_test "core-file $corefile" "Core was generated by .*" "no question: load core"
 218
 219 set test "quit with a core file"
 220 gdb_test_multiple "quit" $test {
 221     -re "A debugging session is active.\r\n.*\r\nQuit anyway\\? \\(y or n\\) $" {
 222         fail $test
 223         gdb_test "n" {Not confirmed\.} "quit with processes: n"
 224     }
 225     eof {
 226         pass $test
 227     }
 228 }
 229
 230 gdb_exit
 231
 232 # Test an attach command will clear any loaded core file.
 233
 234 if ![is_remote target] {
 235     set test "attach: spawn sleep"
 236     set res [remote_spawn host "$binfile sleep"];
 237     if { $res < 0 || $res == "" } {
 238         fail $test
 239         return
 240     }
 241     set pid [exp_pid -i $res]
 242     # We don't care whether the program is still in the startup phase when we
 243     # attach.
 244
 245     gdb_start
 246
 247     gdb_test "core-file $corefile" "Core was generated by .*" "attach: load core again"
 248     gdb_test "info files" "\r\nLocal core dump file:\r\n.*" "attach: sanity check we see the core file"
 249
 250     gdb_test "attach $pid" "Attaching to process $pid\r\n.*" "attach: with core"
 251
 252     set test "attach: core file is cleared"
 253     gdb_test_multiple "info files" $test {
 254         -re "\r\nLocal core dump file:\r\n.*\r\n$gdb_prompt $" {
 255             fail $test
 256         }
 257         -re "\r\n$gdb_prompt $" {
 258             pass $test
 259         }
 260     }
 261
 262     gdb_exit
 263 }