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