gdb/testsuite/gdb.base/gcore.exp

   1 # Copyright 2002-2013 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
  20 set testfile "gcore"
  21 set srcfile  ${testfile}.c
  22 set binfile  ${objdir}/${subdir}/${testfile}
  23
  24 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  25      untested gcore.exp
  26      return -1
  27 }
  28
  29 # Start with a fresh gdb.
  30
  31 gdb_exit
  32 gdb_start
  33 gdb_reinitialize_dir $srcdir/$subdir
  34 gdb_load ${binfile}
  35
  36 # Does this gdb support gcore?
  37 gdb_test_multiple "help gcore" "help gcore" {
  38     -re "Undefined command: .gcore.*$gdb_prompt $" {
  39         # gcore command not supported -- nothing to test here.
  40         unsupported "gdb does not support gcore on this target"
  41         return -1
  42     }
  43     -re "Save a core file .*$gdb_prompt $" {
  44         pass "help gcore"
  45     }
  46 }
  47
  48 if { ! [ runto_main ] } then {
  49     untested gcore.exp
  50     return -1
  51 }
  52
  53 proc capture_command_output { command prefix } {
  54     global gdb_prompt
  55     global expect_out
  56
  57     set output_string ""
  58     gdb_test_multiple "$command" "capture_command_output for $command" {
  59         -re "${command}\[\r\n\]+${prefix}(.*)\[\r\n\]+$gdb_prompt $" {
  60             set output_string $expect_out(1,string)
  61         }
  62     }
  63     return $output_string
  64 }
  65
  66 gdb_test "break terminal_func" "Breakpoint .* at .*${srcfile}, line .*" \
  67         "set breakpoint at terminal_func"
  68
  69 gdb_test "continue" "Breakpoint .* terminal_func.*" \
  70         "continue to terminal_func"
  71
  72 set print_prefix ".\[0123456789\]* = "
  73
  74 set pre_corefile_backtrace [capture_command_output "backtrace" ""]
  75 set pre_corefile_regs [capture_command_output "info registers" ""]
  76 set pre_corefile_allregs [capture_command_output "info all-reg" ""]
  77 set pre_corefile_static_array \
  78         [capture_command_output "print static_array" "$print_prefix"]
  79 set pre_corefile_uninit_array \
  80         [capture_command_output "print un_initialized_array" "$print_prefix"]
  81 set pre_corefile_heap_string \
  82         [capture_command_output "print heap_string" "$print_prefix"]
  83 set pre_corefile_local_array \
  84         [capture_command_output "print array_func::local_array" "$print_prefix"]
  85 set pre_corefile_extern_array \
  86         [capture_command_output "print extern_array" "$print_prefix"]
  87
  88 set corefile "${objdir}/${subdir}/gcore.test"
  89 set core_supported [gdb_gcore_cmd "$corefile" "save a corefile"]
  90 if {!$core_supported} {
  91   return -1
  92 }
  93
  94 # Now restart gdb and load the corefile.
  95 gdb_exit
  96 gdb_start
  97 gdb_reinitialize_dir $srcdir/$subdir
  98 gdb_load ${binfile}
  99
 100 set core_loaded [gdb_core_cmd "$corefile" "re-load generated corefile"]
 101 if { $core_loaded == -1 } {
 102     # No use proceeding from here.
 103     return
 104 }
 105
 106 gdb_test_sequence "where" "where in corefile" {
 107     "\[\r\n\]+#0 .* terminal_func \\(\\) at "
 108     "\[\r\n\]+#1 .* array_func \\(\\) at "
 109     "\[\r\n\]+#2 .* factorial_func \\(value=1\\) at "
 110     "\[\r\n\]+#3 .* factorial_func \\(value=2\\) at "
 111     "\[\r\n\]+#4 .* factorial_func \\(value=3\\) at "
 112     "\[\r\n\]+#5 .* factorial_func \\(value=4\\) at "
 113     "\[\r\n\]+#6 .* factorial_func \\(value=5\\) at "
 114     "\[\r\n\]+#7 .* factorial_func \\(value=6\\) at "
 115     "\[\r\n\]+#8 .* main \\(.*\\) at "
 116 }
 117
 118 set post_corefile_regs [capture_command_output "info registers" ""]
 119 if ![string compare $pre_corefile_regs $post_corefile_regs] then {
 120     pass "corefile restored general registers"
 121 } else {
 122     fail "corefile restored general registers"
 123 }
 124
 125 set post_corefile_allregs [capture_command_output "info all-reg" ""]
 126 if ![string compare $pre_corefile_allregs $post_corefile_allregs] then {
 127     pass "corefile restored all registers"
 128 } else {
 129     fail "corefile restored all registers"
 130 }
 131
 132 set post_corefile_extern_array \
 133         [capture_command_output "print extern_array" "$print_prefix"]
 134 if ![string compare $pre_corefile_extern_array $post_corefile_extern_array]  {
 135     pass "corefile restored extern array"
 136 } else {
 137     fail "corefile restored extern array"
 138 }
 139
 140 set post_corefile_static_array \
 141         [capture_command_output "print static_array" "$print_prefix"]
 142 if ![string compare $pre_corefile_static_array $post_corefile_static_array]  {
 143     pass "corefile restored static array"
 144 } else {
 145     fail "corefile restored static array"
 146 }
 147
 148 set post_corefile_uninit_array \
 149         [capture_command_output "print un_initialized_array" "$print_prefix"]
 150 if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array]  {
 151     pass "corefile restored un-initialized array"
 152 } else {
 153     fail "corefile restored un-initialized array"
 154 }
 155
 156 set post_corefile_heap_string \
 157         [capture_command_output "print heap_string" "$print_prefix"]
 158 if ![string compare $pre_corefile_heap_string $post_corefile_heap_string]  {
 159     pass "corefile restored heap array"
 160 } else {
 161     fail "corefile restored heap array"
 162 }
 163
 164 set post_corefile_local_array \
 165         [capture_command_output "print array_func::local_array" "$print_prefix"]
 166 if ![string compare $pre_corefile_local_array $post_corefile_local_array]  {
 167     pass "corefile restored stack array"
 168 } else {
 169     fail "corefile restored stack array"
 170 }
 171
 172 set post_corefile_backtrace [capture_command_output "backtrace" ""]
 173 if ![string compare $pre_corefile_backtrace $post_corefile_backtrace]  {
 174     pass "corefile restored backtrace"
 175 } else {
 176     fail "corefile restored backtrace"
 177 }