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 if $tracelevel then {
  19         strace $tracelevel
  20 }
  21
  22
  23 # are we on a target board
  24 if ![isnative] then {
  25     return
  26 }
  27
  28 set testfile "coremaker"
  29 set srcfile ${testfile}.c
  30 set binfile ${objdir}/${subdir}/${testfile}
  31 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  32      untested corefile.exp
  33      return -1
  34 }
  35
  36 # Create and source the file that provides information about the compiler
  37 # used to compile the test case.
  38 if [get_compiler_info ${binfile}] {
  39     return -1;
  40 }
  41
  42 set corefile [core_find $binfile {coremmap.data}]
  43 if {$corefile == ""} {
  44     return 0
  45 }
  46
  47 # Test that we can simply startup with a "-core=$corefile" command line arg
  48 # and recognize that the core file is a valid, usable core file.
  49 # To do this, we must shutdown the currently running gdb and restart
  50 # with the -core args.  We can't use gdb_start because it looks for
  51 # the first gdb prompt, and the message we are looking for occurs
  52 # before the first prompt.
  53 #
  54 # Another problem is that on some systems (solaris for example), there
  55 # is apparently a limit on the length of a fully specified path to
  56 # the coremaker executable, at about 80 chars.  For this case, consider
  57 # it a pass, but note that the program name is bad.
  58
  59 gdb_exit
  60 if $verbose>1 then {
  61     send_user "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS -core=$corefile\n"
  62 }
  63
  64 set oldtimeout $timeout
  65 set timeout [expr "$timeout + 60"]
  66 verbose "Timeout is now $timeout seconds" 2
  67 eval "spawn $GDB $INTERNAL_GDBFLAGS $GDBFLAGS -core=$corefile"
  68 expect {
  69     -re "Couldn't find .* registers in core file.*$gdb_prompt $" {
  70         fail "args: -core=[file tail $corefile] (couldn't find regs)"
  71     }
  72     -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
  73         pass "args: -core=[file tail $corefile]"
  74     }
  75     -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
  76         pass "args: -core=[file tail $corefile] (with bad program name)"
  77     }
  78     -re ".*registers from core file: File in wrong format.* $" {
  79         fail "args: -core=[file tail $corefile] (could not read registers from core file)"
  80     }
  81     -re ".*$gdb_prompt $"       { fail "args: -core=[file tail $corefile]" }
  82     timeout             { fail "(timeout) starting with -core" }
  83 }
  84
  85
  86 #
  87 # Test that startup with both an executable file and -core argument.
  88 # See previous comments above, they are still applicable.
  89 #
  90
  91 close;
  92
  93 if $verbose>1 then {
  94     send_user "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS $binfile -core=$corefile\n"
  95 }
  96
  97
  98 eval "spawn $GDB $INTERNAL_GDBFLAGS $GDBFLAGS $binfile -core=$corefile";
  99 expect {
 100     -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
 101         pass "args: execfile -core=[file tail $corefile]"
 102     }
 103     -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $"     {
 104         pass "args: execfile -core=[file tail $corefile] (with bad program name)"
 105     }
 106     -re ".*registers from core file: File in wrong format.* $" {
 107         fail "args: execfile -core=[file tail $corefile] (could not read registers from core file)"
 108     }
 109     -re ".*$gdb_prompt $"       { fail "args: execfile -core=[file tail $corefile]" }
 110     timeout             { fail "(timeout) starting with -core" }
 111 }
 112 set timeout $oldtimeout
 113 verbose "Timeout is now $timeout seconds" 2
 114
 115 close;
 116
 117 # Now restart normally.
 118
 119 gdb_start
 120 gdb_reinitialize_dir $srcdir/$subdir
 121 gdb_load ${binfile}
 122
 123 # Test basic corefile recognition via core-file command.
 124
 125 gdb_test_multiple "core-file $corefile" "core-file command" {
 126     -re ".* program is being debugged already.*y or n. $" {
 127         # gdb_load may connect us to a gdbserver.
 128         send_gdb "y\n"
 129         exp_continue;
 130     }
 131     -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
 132         pass "core-file command"
 133     }
 134     -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
 135         pass "core-file command (with bad program name)"
 136     }
 137     -re ".*registers from core file: File in wrong format.* $" {
 138         fail "core-file command (could not read registers from core file)"
 139     }
 140 }
 141
 142 # Test correct mapping of corefile sections by printing some variables.
 143
 144 gdb_test "print coremaker_data" "\\\$$decimal = 202"
 145 gdb_test "print coremaker_bss" "\\\$$decimal = 10"
 146 gdb_test "print coremaker_ro" "\\\$$decimal = 201"
 147
 148 gdb_test "print func2::coremaker_local" "\\\$$decimal = \\{0, 1, 2, 3, 4\\}"
 149
 150 # Somehow we better test the ability to read the registers out of the core
 151 # file correctly.  I don't think the other tests do this.
 152
 153 gdb_test "bt" "abort.*func2.*func1.*main.*" "backtrace in corefile.exp"
 154 gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp"
 155
 156 # Test ability to read mmap'd data
 157
 158 gdb_test "x/8bd buf1" ".*:.*0.*1.*2.*3.*4.*5.*6.*7" "accessing original mmap data in core file"
 159 setup_xfail "*-*-sunos*" "*-*-ultrix*" "*-*-aix*"
 160 set test "accessing mmapped data in core file"
 161 gdb_test_multiple "x/8bd buf2" "$test" {
 162     -re ".*:.*0.*1.*2.*3.*4.*5.*6.*7.*$gdb_prompt $" {
 163         pass "$test"
 164     }
 165     -re "0x\[f\]*:.*Cannot access memory at address 0x\[f\]*.*$gdb_prompt $" {
 166         fail "$test (mapping failed at runtime)"
 167     }
 168     -re "0x.*:.*Cannot access memory at address 0x.*$gdb_prompt $" {
 169         fail "$test (mapping address not found in core file)"
 170     }
 171 }
 172
 173 # test reinit_frame_cache
 174
 175 gdb_load ${binfile}
 176 gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp (reinit)"
 177
 178 gdb_test "core" "No core file now."
 179
 180
 181 # Test a run (start) command will clear any loaded core file.
 182
 183 gdb_test "core-file $corefile" "Core was generated by .*" "run: load core again"
 184 gdb_test "info files" "\r\nLocal core dump file:\r\n.*" "run: sanity check we see the core file"
 185
 186 set test "run: with core"
 187 if [runto_main] {
 188     pass $test
 189 } else {
 190     fail $test
 191 }
 192
 193 set test "run: core file is cleared"
 194 gdb_test_multiple "info files" $test {
 195     -re "\r\nLocal core dump file:\r\n.*\r\n$gdb_prompt $" {
 196         fail $test
 197     }
 198     -re "\r\n$gdb_prompt $" {
 199         pass $test
 200     }
 201 }
 202
 203 set test "quit with a process"
 204 gdb_test_multiple "quit" $test {
 205     -re "A debugging session is active.\r\n.*\r\nQuit anyway\\? \\(y or n\\) $" {
 206         pass $test
 207         gdb_test "n" {Not confirmed\.} "quit with processes: n"
 208     }
 209 }
 210
 211 gdb_exit
 212
 213 # Verify there is no question if only a core file is loaded.
 214
 215 gdb_start
 216 gdb_test "core-file $corefile" "Core was generated by .*" "no question: load core"
 217
 218 set test "quit with a core file"
 219 gdb_test_multiple "quit" $test {
 220     -re "A debugging session is active.\r\n.*\r\nQuit anyway\\? \\(y or n\\) $" {
 221         fail $test
 222         gdb_test "n" {Not confirmed\.} "quit with processes: n"
 223     }
 224     eof {
 225         pass $test
 226     }
 227 }
 228
 229 gdb_exit
 230
 231 # Test an attach command will clear any loaded core file.
 232
 233 if ![is_remote target] {
 234     set test "attach: spawn sleep"
 235     set res [remote_spawn host "$binfile sleep"];
 236     if { $res < 0 || $res == "" } {
 237         fail $test
 238         return
 239     }
 240     set pid [exp_pid -i $res]
 241     # We don't care whether the program is still in the startup phase when we
 242     # attach.
 243
 244     gdb_start
 245
 246     gdb_test "core-file $corefile" "Core was generated by .*" "attach: load core again"
 247     gdb_test "info files" "\r\nLocal core dump file:\r\n.*" "attach: sanity check we see the core file"
 248
 249     gdb_test "attach $pid" "Attaching to process $pid\r\n.*" "attach: with core"
 250
 251     set test "attach: core file is cleared"
 252     gdb_test_multiple "info files" $test {
 253         -re "\r\nLocal core dump file:\r\n.*\r\n$gdb_prompt $" {
 254             fail $test
 255         }
 256         -re "\r\n$gdb_prompt $" {
 257             pass $test
 258         }
 259     }
 260
 261     gdb_exit
 262 }