gdb/testsuite/gdb.base/gcore.exp

   1 # Copyright 2002, 2003, 2004, 2007, 2008 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 Michael Snyder (msnyder@redhat.com)
  17 # This is a test for the gdb command "generate-core-file".
  18
  19 if $tracelevel then {
  20         strace $tracelevel
  21 }
  22
  23 set prms_id 0
  24 set bug_id 0
  25
  26 set testfile "gcore"
  27 set srcfile  ${testfile}.c
  28 set binfile  ${objdir}/${subdir}/${testfile}
  29
  30 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  31      untested gcore.exp
  32      return -1
  33 }
  34
  35 # Start with a fresh gdb.
  36
  37 gdb_exit
  38 gdb_start
  39 gdb_reinitialize_dir $srcdir/$subdir
  40 gdb_load ${binfile}
  41
  42 # Does this gdb support gcore?
  43 send_gdb "help gcore\n"
  44 gdb_expect {
  45     -re "Undefined command: .gcore.*$gdb_prompt $" {
  46         # gcore command not supported -- nothing to test here.
  47         unsupported "gdb does not support gcore on this target"
  48         return -1;
  49     }
  50     -re "Save a core file .*$gdb_prompt $" {
  51         pass "help gcore"
  52     }
  53     -re ".*$gdb_prompt $" {
  54         fail "help gcore"
  55     }
  56     timeout {
  57         fail "help gcore (timeout)"
  58     }
  59 }
  60
  61 if { ! [ runto_main ] } then {
  62     untested gcore.exp
  63     return -1
  64 }
  65
  66 proc capture_command_output { command prefix } {
  67     global gdb_prompt
  68     global expect_out
  69
  70     set output_string ""
  71     send_gdb "$command\n"
  72     gdb_expect {
  73         -re "${command}\[\r\n\]+${prefix}(.*)\[\r\n\]+$gdb_prompt $" {
  74             set output_string $expect_out(1,string)
  75         }
  76         default {
  77             fail "capture_command_output failed on $command."
  78         }
  79     }
  80     return $output_string
  81 }
  82
  83 gdb_test "break terminal_func" "Breakpoint .* at .*${srcfile}, line .*" \
  84         "set breakpoint at terminal_func"
  85
  86 gdb_test "continue" "Breakpoint .* terminal_func.*" \
  87         "continue to terminal_func"
  88
  89 set print_prefix ".\[0123456789\]* = "
  90
  91 set pre_corefile_backtrace [capture_command_output "backtrace" ""]
  92 set pre_corefile_regs [capture_command_output "info registers" ""]
  93 set pre_corefile_allregs [capture_command_output "info all-reg" ""]
  94 set pre_corefile_static_array \
  95         [capture_command_output "print static_array" "$print_prefix"]
  96 set pre_corefile_uninit_array \
  97         [capture_command_output "print un_initialized_array" "$print_prefix"]
  98 set pre_corefile_heap_string \
  99         [capture_command_output "print heap_string" "$print_prefix"]
 100 set pre_corefile_local_array \
 101         [capture_command_output "print array_func::local_array" "$print_prefix"]
 102 set pre_corefile_extern_array \
 103         [capture_command_output "print extern_array" "$print_prefix"]
 104
 105 set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test]
 106
 107 set core_supported 0
 108 gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \
 109         "save a corefile" \
 110 {
 111   -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
 112     pass "save a corefile"
 113     global core_supported
 114     set core_supported 1
 115   }
 116   -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
 117     unsupported "save a corefile"
 118     global core_supported
 119     set core_supported 0
 120   }
 121 }
 122
 123 if {!$core_supported} {
 124   return -1
 125 }
 126
 127 # Now restart gdb and load the corefile.
 128 gdb_exit
 129 gdb_start
 130 gdb_reinitialize_dir $srcdir/$subdir
 131 gdb_load ${binfile}
 132
 133 send_gdb "core ${objdir}/${subdir}/gcore.test\n"
 134 gdb_expect {
 135     -re ".* is not a core dump:.*$gdb_prompt $" {
 136         fail "re-load generated corefile (bad file format)"
 137         # No use proceeding from here.
 138         return;
 139     }
 140     -re ".*: No such file or directory.*$gdb_prompt $" {
 141         fail "re-load generated corefile (file not found)"
 142         # No use proceeding from here.
 143         return;
 144     }
 145     -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
 146         fail "re-load generated corefile (incomplete note section)"
 147     }
 148     -re "Core was generated by .*$gdb_prompt $" {
 149         pass "re-load generated corefile"
 150     }
 151     -re ".*$gdb_prompt $" {
 152         fail "re-load generated corefile"
 153     }
 154     timeout {
 155         fail "re-load generated corefile (timeout)"
 156     }
 157 }
 158
 159 send_gdb "where\n"
 160 gdb_expect_list "where in corefile" ".*$gdb_prompt $" {
 161     ".*\[\r\n\]+#0 .* terminal_func \\(\\) at "
 162     ".*\[\r\n\]+#1 .* array_func \\(\\) at "
 163     ".*\[\r\n\]+#2 .* factorial_func \\(value=1\\) at "
 164     ".*\[\r\n\]+#3 .* factorial_func \\(value=2\\) at "
 165     ".*\[\r\n\]+#4 .* factorial_func \\(value=3\\) at "
 166     ".*\[\r\n\]+#5 .* factorial_func \\(value=4\\) at "
 167     ".*\[\r\n\]+#6 .* factorial_func \\(value=5\\) at "
 168     ".*\[\r\n\]+#7 .* factorial_func \\(value=6\\) at "
 169     ".*\[\r\n\]+#8 .* main \\(.*\\) at "
 170 }
 171
 172 set post_corefile_regs [capture_command_output "info registers" ""]
 173 if ![string compare $pre_corefile_regs $post_corefile_regs] then {
 174     pass "corefile restored general registers"
 175 } else {
 176     fail "corefile restored general registers"
 177 }
 178
 179 set post_corefile_allregs [capture_command_output "info all-reg" ""]
 180 if ![string compare $pre_corefile_allregs $post_corefile_allregs] then {
 181     pass "corefile restored all registers"
 182 } else {
 183     fail "corefile restored all registers"
 184 }
 185
 186 set post_corefile_extern_array \
 187         [capture_command_output "print extern_array" "$print_prefix"]
 188 if ![string compare $pre_corefile_extern_array $post_corefile_extern_array]  {
 189     pass "corefile restored extern array"
 190 } else {
 191     fail "corefile restored extern array"
 192 }
 193
 194 set post_corefile_static_array \
 195         [capture_command_output "print static_array" "$print_prefix"]
 196 if ![string compare $pre_corefile_static_array $post_corefile_static_array]  {
 197     pass "corefile restored static array"
 198 } else {
 199     fail "corefile restored static array"
 200 }
 201
 202 set post_corefile_uninit_array \
 203         [capture_command_output "print un_initialized_array" "$print_prefix"]
 204 if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array]  {
 205     pass "corefile restored un-initialized array"
 206 } else {
 207     fail "corefile restored un-initialized array"
 208 }
 209
 210 set post_corefile_heap_string \
 211         [capture_command_output "print heap_string" "$print_prefix"]
 212 if ![string compare $pre_corefile_heap_string $post_corefile_heap_string]  {
 213     pass "corefile restored heap array"
 214 } else {
 215     fail "corefile restored heap array"
 216 }
 217
 218 set post_corefile_local_array \
 219         [capture_command_output "print array_func::local_array" "$print_prefix"]
 220 if ![string compare $pre_corefile_local_array $post_corefile_local_array]  {
 221     pass "corefile restored stack array"
 222 } else {
 223     fail "corefile restored stack array"
 224 }
 225
 226 set post_corefile_backtrace [capture_command_output "backtrace" ""]
 227 if ![string compare $pre_corefile_backtrace $post_corefile_backtrace]  {
 228     pass "corefile restored backtrace"
 229 } else {
 230     fail "corefile restored backtrace"
 231 }