gdb/testsuite/gdb.base/gcore.exp

   1 # Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010
   2 # 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 Michael Snyder (msnyder@redhat.com)
  18 # This is a test for the gdb command "generate-core-file".
  19
  20 if $tracelevel then {
  21         strace $tracelevel
  22 }
  23
  24
  25 set testfile "gcore"
  26 set srcfile  ${testfile}.c
  27 set binfile  ${objdir}/${subdir}/${testfile}
  28
  29 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  30      untested gcore.exp
  31      return -1
  32 }
  33
  34 # Start with a fresh gdb.
  35
  36 gdb_exit
  37 gdb_start
  38 gdb_reinitialize_dir $srcdir/$subdir
  39 gdb_load ${binfile}
  40
  41 # Does this gdb support gcore?
  42 send_gdb "help gcore\n"
  43 gdb_expect {
  44     -re "Undefined command: .gcore.*$gdb_prompt $" {
  45         # gcore command not supported -- nothing to test here.
  46         unsupported "gdb does not support gcore on this target"
  47         return -1;
  48     }
  49     -re "Save a core file .*$gdb_prompt $" {
  50         pass "help gcore"
  51     }
  52     -re ".*$gdb_prompt $" {
  53         fail "help gcore"
  54     }
  55     timeout {
  56         fail "help gcore (timeout)"
  57     }
  58 }
  59
  60 if { ! [ runto_main ] } then {
  61     untested gcore.exp
  62     return -1
  63 }
  64
  65 proc capture_command_output { command prefix } {
  66     global gdb_prompt
  67     global expect_out
  68
  69     set output_string ""
  70     gdb_test_multiple "$command" "capture_command_output for $command" {
  71         -re "${command}\[\r\n\]+${prefix}(.*)\[\r\n\]+$gdb_prompt $" {
  72             set output_string $expect_out(1,string)
  73         }
  74     }
  75     return $output_string
  76 }
  77
  78 gdb_test "break terminal_func" "Breakpoint .* at .*${srcfile}, line .*" \
  79         "set breakpoint at terminal_func"
  80
  81 gdb_test "continue" "Breakpoint .* terminal_func.*" \
  82         "continue to terminal_func"
  83
  84 set print_prefix ".\[0123456789\]* = "
  85
  86 set pre_corefile_backtrace [capture_command_output "backtrace" ""]
  87 set pre_corefile_regs [capture_command_output "info registers" ""]
  88 set pre_corefile_allregs [capture_command_output "info all-reg" ""]
  89 set pre_corefile_static_array \
  90         [capture_command_output "print static_array" "$print_prefix"]
  91 set pre_corefile_uninit_array \
  92         [capture_command_output "print un_initialized_array" "$print_prefix"]
  93 set pre_corefile_heap_string \
  94         [capture_command_output "print heap_string" "$print_prefix"]
  95 set pre_corefile_local_array \
  96         [capture_command_output "print array_func::local_array" "$print_prefix"]
  97 set pre_corefile_extern_array \
  98         [capture_command_output "print extern_array" "$print_prefix"]
  99
 100 set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test]
 101
 102 set core_supported 0
 103 gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \
 104         "save a corefile" \
 105 {
 106   -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
 107     pass "save a corefile"
 108     global core_supported
 109     set core_supported 1
 110   }
 111   -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
 112     unsupported "save a corefile"
 113     global core_supported
 114     set core_supported 0
 115   }
 116 }
 117
 118 if {!$core_supported} {
 119   return -1
 120 }
 121
 122 # Now restart gdb and load the corefile.
 123 gdb_exit
 124 gdb_start
 125 gdb_reinitialize_dir $srcdir/$subdir
 126 gdb_load ${binfile}
 127
 128 send_gdb "core ${objdir}/${subdir}/gcore.test\n"
 129 gdb_expect {
 130     -re ".* is not a core dump:.*$gdb_prompt $" {
 131         fail "re-load generated corefile (bad file format)"
 132         # No use proceeding from here.
 133         return;
 134     }
 135     -re ".*: No such file or directory.*$gdb_prompt $" {
 136         fail "re-load generated corefile (file not found)"
 137         # No use proceeding from here.
 138         return;
 139     }
 140     -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
 141         fail "re-load generated corefile (incomplete note section)"
 142     }
 143     -re "Core was generated by .*$gdb_prompt $" {
 144         pass "re-load generated corefile"
 145     }
 146     -re ".*$gdb_prompt $" {
 147         fail "re-load generated corefile"
 148     }
 149     timeout {
 150         fail "re-load generated corefile (timeout)"
 151     }
 152 }
 153
 154 send_gdb "where\n"
 155 gdb_expect_list "where in corefile" ".*$gdb_prompt $" {
 156     ".*\[\r\n\]+#0 .* terminal_func \\(\\) at "
 157     ".*\[\r\n\]+#1 .* array_func \\(\\) at "
 158     ".*\[\r\n\]+#2 .* factorial_func \\(value=1\\) at "
 159     ".*\[\r\n\]+#3 .* factorial_func \\(value=2\\) at "
 160     ".*\[\r\n\]+#4 .* factorial_func \\(value=3\\) at "
 161     ".*\[\r\n\]+#5 .* factorial_func \\(value=4\\) at "
 162     ".*\[\r\n\]+#6 .* factorial_func \\(value=5\\) at "
 163     ".*\[\r\n\]+#7 .* factorial_func \\(value=6\\) at "
 164     ".*\[\r\n\]+#8 .* main \\(.*\\) at "
 165 }
 166
 167 set post_corefile_regs [capture_command_output "info registers" ""]
 168 if ![string compare $pre_corefile_regs $post_corefile_regs] then {
 169     pass "corefile restored general registers"
 170 } else {
 171     fail "corefile restored general registers"
 172 }
 173
 174 set post_corefile_allregs [capture_command_output "info all-reg" ""]
 175 if ![string compare $pre_corefile_allregs $post_corefile_allregs] then {
 176     pass "corefile restored all registers"
 177 } else {
 178     fail "corefile restored all registers"
 179 }
 180
 181 set post_corefile_extern_array \
 182         [capture_command_output "print extern_array" "$print_prefix"]
 183 if ![string compare $pre_corefile_extern_array $post_corefile_extern_array]  {
 184     pass "corefile restored extern array"
 185 } else {
 186     fail "corefile restored extern array"
 187 }
 188
 189 set post_corefile_static_array \
 190         [capture_command_output "print static_array" "$print_prefix"]
 191 if ![string compare $pre_corefile_static_array $post_corefile_static_array]  {
 192     pass "corefile restored static array"
 193 } else {
 194     fail "corefile restored static array"
 195 }
 196
 197 set post_corefile_uninit_array \
 198         [capture_command_output "print un_initialized_array" "$print_prefix"]
 199 if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array]  {
 200     pass "corefile restored un-initialized array"
 201 } else {
 202     fail "corefile restored un-initialized array"
 203 }
 204
 205 set post_corefile_heap_string \
 206         [capture_command_output "print heap_string" "$print_prefix"]
 207 if ![string compare $pre_corefile_heap_string $post_corefile_heap_string]  {
 208     pass "corefile restored heap array"
 209 } else {
 210     fail "corefile restored heap array"
 211 }
 212
 213 set post_corefile_local_array \
 214         [capture_command_output "print array_func::local_array" "$print_prefix"]
 215 if ![string compare $pre_corefile_local_array $post_corefile_local_array]  {
 216     pass "corefile restored stack array"
 217 } else {
 218     fail "corefile restored stack array"
 219 }
 220
 221 set post_corefile_backtrace [capture_command_output "backtrace" ""]
 222 if ![string compare $pre_corefile_backtrace $post_corefile_backtrace]  {
 223     pass "corefile restored backtrace"
 224 } else {
 225     fail "corefile restored backtrace"
 226 }