gdb/testsuite/gdb.base/gcore.exp

   1 # Copyright 2002, 2003, 2004, 2007 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This file was written by Michael Snyder (msnyder@redhat.com)
  21 # This is a test for the gdb command "generate-core-file".
  22
  23 if $tracelevel then {
  24         strace $tracelevel
  25 }
  26
  27 set prms_id 0
  28 set bug_id 0
  29
  30 set testfile "gcore"
  31 set srcfile  ${testfile}.c
  32 set binfile  ${objdir}/${subdir}/${testfile}
  33
  34 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  35      untested gcore.exp
  36      return -1
  37 }
  38
  39 # Start with a fresh gdb.
  40
  41 gdb_exit
  42 gdb_start
  43 gdb_reinitialize_dir $srcdir/$subdir
  44 gdb_load ${binfile}
  45
  46 # Does this gdb support gcore?
  47 send_gdb "help gcore\n"
  48 gdb_expect {
  49     -re "Undefined command: .gcore.*$gdb_prompt $" {
  50         # gcore command not supported -- nothing to test here.
  51         unsupported "gdb does not support gcore on this target"
  52         return -1;
  53     }
  54     -re "Save a core file .*$gdb_prompt $" {
  55         pass "help gcore"
  56     }
  57     -re ".*$gdb_prompt $" {
  58         fail "help gcore"
  59     }
  60     timeout {
  61         fail "help gcore (timeout)"
  62     }
  63 }
  64
  65 if { ! [ runto_main ] } then {
  66     untested gcore.exp
  67     return -1
  68 }
  69
  70 proc capture_command_output { command prefix } {
  71     global gdb_prompt
  72     global expect_out
  73
  74     set output_string ""
  75     send_gdb "$command\n"
  76     gdb_expect {
  77         -re "${command}\[\r\n\]+${prefix}(.*)\[\r\n\]+$gdb_prompt $" {
  78             set output_string $expect_out(1,string)
  79         }
  80         default {
  81             fail "capture_command_output failed on $command."
  82         }
  83     }
  84     return $output_string
  85 }
  86
  87 gdb_test "break terminal_func" "Breakpoint .* at .*${srcfile}, line .*" \
  88         "set breakpoint at terminal_func"
  89
  90 gdb_test "continue" "Breakpoint .* terminal_func.*" \
  91         "continue to terminal_func"
  92
  93 set print_prefix ".\[0123456789\]* = "
  94
  95 set pre_corefile_backtrace [capture_command_output "backtrace" ""]
  96 set pre_corefile_regs [capture_command_output "info registers" ""]
  97 set pre_corefile_allregs [capture_command_output "info all-reg" ""]
  98 set pre_corefile_static_array \
  99         [capture_command_output "print static_array" "$print_prefix"]
 100 set pre_corefile_uninit_array \
 101         [capture_command_output "print un_initialized_array" "$print_prefix"]
 102 set pre_corefile_heap_string \
 103         [capture_command_output "print heap_string" "$print_prefix"]
 104 set pre_corefile_local_array \
 105         [capture_command_output "print array_func::local_array" "$print_prefix"]
 106 set pre_corefile_extern_array \
 107         [capture_command_output "print extern_array" "$print_prefix"]
 108
 109 set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test]
 110
 111 gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \
 112         "save a corefile" \
 113 {
 114   -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
 115     pass "save a corefile"
 116     global core_supported
 117     set core_supported 1
 118   }
 119   -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
 120     unsupported "save a corefile"
 121     global core_supported
 122     set core_supported 0
 123   }
 124 }
 125
 126 global core_supported
 127 if {!$core_supported} {
 128   return -1
 129 }
 130
 131 # Now restart gdb and load the corefile.
 132 gdb_exit
 133 gdb_start
 134 gdb_reinitialize_dir $srcdir/$subdir
 135 gdb_load ${binfile}
 136
 137 send_gdb "core ${objdir}/${subdir}/gcore.test\n"
 138 gdb_expect {
 139     -re ".* is not a core dump:.*$gdb_prompt $" {
 140         fail "re-load generated corefile (bad file format)"
 141         # No use proceeding from here.
 142         return;
 143     }
 144     -re ".*: No such file or directory.*$gdb_prompt $" {
 145         fail "re-load generated corefile (file not found)"
 146         # No use proceeding from here.
 147         return;
 148     }
 149     -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
 150         fail "re-load generated corefile (incomplete note section)"
 151     }
 152     -re "Core was generated by .*$gdb_prompt $" {
 153         pass "re-load generated corefile"
 154     }
 155     -re ".*$gdb_prompt $" {
 156         fail "re-load generated corefile"
 157     }
 158     timeout {
 159         fail "re-load generated corefile (timeout)"
 160     }
 161 }
 162
 163 send_gdb "where\n"
 164 gdb_expect_list "where in corefile" ".*$gdb_prompt $" {
 165     ".*\[\r\n\]+#0 .* terminal_func \\(\\) at "
 166     ".*\[\r\n\]+#1 .* array_func \\(\\) at "
 167     ".*\[\r\n\]+#2 .* factorial_func \\(value=1\\) at "
 168     ".*\[\r\n\]+#3 .* factorial_func \\(value=2\\) at "
 169     ".*\[\r\n\]+#4 .* factorial_func \\(value=3\\) at "
 170     ".*\[\r\n\]+#5 .* factorial_func \\(value=4\\) at "
 171     ".*\[\r\n\]+#6 .* factorial_func \\(value=5\\) at "
 172     ".*\[\r\n\]+#7 .* factorial_func \\(value=6\\) at "
 173     ".*\[\r\n\]+#8 .* main \\(.*\\) at "
 174 }
 175
 176 set post_corefile_regs [capture_command_output "info registers" ""]
 177 if ![string compare $pre_corefile_regs $post_corefile_regs] then {
 178     pass "corefile restored general registers"
 179 } else {
 180     fail "corefile restored general registers"
 181 }
 182
 183 set post_corefile_allregs [capture_command_output "info all-reg" ""]
 184 if ![string compare $pre_corefile_allregs $post_corefile_allregs] then {
 185     pass "corefile restored all registers"
 186 } else {
 187     fail "corefile restored all registers"
 188 }
 189
 190 set post_corefile_extern_array \
 191         [capture_command_output "print extern_array" "$print_prefix"]
 192 if ![string compare $pre_corefile_extern_array $post_corefile_extern_array]  {
 193     pass "corefile restored extern array"
 194 } else {
 195     fail "corefile restored extern array"
 196 }
 197
 198 set post_corefile_static_array \
 199         [capture_command_output "print static_array" "$print_prefix"]
 200 if ![string compare $pre_corefile_static_array $post_corefile_static_array]  {
 201     pass "corefile restored static array"
 202 } else {
 203     fail "corefile restored static array"
 204 }
 205
 206 set post_corefile_uninit_array \
 207         [capture_command_output "print un_initialized_array" "$print_prefix"]
 208 if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array]  {
 209     pass "corefile restored un-initialized array"
 210 } else {
 211     fail "corefile restored un-initialized array"
 212 }
 213
 214 set post_corefile_heap_string \
 215         [capture_command_output "print heap_string" "$print_prefix"]
 216 if ![string compare $pre_corefile_heap_string $post_corefile_heap_string]  {
 217     pass "corefile restored heap array"
 218 } else {
 219     fail "corefile restored heap array"
 220 }
 221
 222 set post_corefile_local_array \
 223         [capture_command_output "print array_func::local_array" "$print_prefix"]
 224 if ![string compare $pre_corefile_local_array $post_corefile_local_array]  {
 225     pass "corefile restored stack array"
 226 } else {
 227     fail "corefile restored stack array"
 228 }
 229
 230 set post_corefile_backtrace [capture_command_output "backtrace" ""]
 231 if ![string compare $pre_corefile_backtrace $post_corefile_backtrace]  {
 232     pass "corefile restored backtrace"
 233 } else {
 234     fail "corefile restored backtrace"
 235 }