gdb/testsuite/gdb.arch/system-gcore.exp

   1 # Copyright 2010-2013 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
  17 if { ![istarget i?86-*-linux*] && ![istarget x86_64-*-linux* ] } {
  18     verbose "Skipping system register gcore tests."
  19     return
  20 }
  21
  22 set testfile "system-gcore"
  23 set srcfile  gcore.c
  24 set binfile  ${objdir}/${subdir}/${testfile}
  25
  26 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  27      untested system-gcore.exp
  28      return -1
  29 }
  30
  31 # Start with a fresh gdb.
  32
  33 gdb_exit
  34 gdb_start
  35 gdb_reinitialize_dir $srcdir/$subdir
  36 gdb_load ${binfile}
  37
  38 # Does this gdb support gcore?
  39 send_gdb "help gcore\n"
  40 gdb_expect {
  41     -re "Undefined command: .gcore.*$gdb_prompt $" {
  42         # gcore command not supported -- nothing to test here.
  43         unsupported "gdb does not support gcore on this target"
  44         return -1
  45     }
  46     -re "Save a core file .*$gdb_prompt $" {
  47         pass "help gcore"
  48     }
  49     -re ".*$gdb_prompt $" {
  50         fail "help gcore"
  51     }
  52     timeout {
  53         fail "help gcore (timeout)"
  54     }
  55 }
  56
  57 if { ! [ runto_main ] } then {
  58     untested system-gcore.exp
  59     return -1
  60 }
  61
  62 proc capture_command_output { command prefix } {
  63     global gdb_prompt
  64     global expect_out
  65
  66     set output_string ""
  67     gdb_test_multiple "$command" "capture_command_output for $command" {
  68         -re "${command}\[\r\n\]+${prefix}(.*)\[\r\n\]+$gdb_prompt $" {
  69             set output_string $expect_out(1,string)
  70         }
  71     }
  72     return $output_string
  73 }
  74
  75 gdb_test "break terminal_func" "Breakpoint .* at .*${srcfile}, line .*" \
  76         "set breakpoint at terminal_func"
  77
  78 gdb_test "continue" "Breakpoint .* terminal_func.*" \
  79         "continue to terminal_func"
  80
  81 set print_prefix ".\[0123456789\]* = "
  82
  83 set pre_corefile_backtrace [capture_command_output "backtrace" ""]
  84 set pre_corefile_regs [capture_command_output "info registers" ""]
  85 set pre_corefile_allregs [capture_command_output "info all-reg" ""]
  86 set pre_corefile_sysregs [capture_command_output "info reg system" ""]
  87 set pre_corefile_static_array \
  88         [capture_command_output "print static_array" "$print_prefix"]
  89 set pre_corefile_uninit_array \
  90         [capture_command_output "print un_initialized_array" "$print_prefix"]
  91 set pre_corefile_heap_string \
  92         [capture_command_output "print heap_string" "$print_prefix"]
  93 set pre_corefile_local_array \
  94         [capture_command_output "print array_func::local_array" "$print_prefix"]
  95 set pre_corefile_extern_array \
  96         [capture_command_output "print extern_array" "$print_prefix"]
  97
  98 set core_supported [gdb_gcore_cmd "${objdir}/${subdir}/gcore.test" \
  99                         "save a corefile"]
 100
 101 if {!$core_supported} {
 102   return -1
 103 }
 104
 105 # Now restart gdb and load the corefile.
 106 gdb_exit
 107 gdb_start
 108 gdb_reinitialize_dir $srcdir/$subdir
 109 gdb_load ${binfile}
 110
 111 send_gdb "core ${objdir}/${subdir}/gcore.test\n"
 112 gdb_expect {
 113     -re ".* is not a core dump:.*$gdb_prompt $" {
 114         fail "re-load generated corefile (bad file format)"
 115         # No use proceeding from here.
 116         return;
 117     }
 118     -re ".*: No such file or directory.*$gdb_prompt $" {
 119         fail "re-load generated corefile (file not found)"
 120         # No use proceeding from here.
 121         return;
 122     }
 123     -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
 124         fail "re-load generated corefile (incomplete note section)"
 125     }
 126     -re "Core was generated by .*$gdb_prompt $" {
 127         pass "re-load generated corefile"
 128     }
 129     -re ".*$gdb_prompt $" {
 130         fail "re-load generated corefile"
 131     }
 132     timeout {
 133         fail "re-load generated corefile (timeout)"
 134     }
 135 }
 136
 137 gdb_test_sequence "where" "where in corefile" {
 138     "\[\r\n\]+#0 .* terminal_func \\(\\) at "
 139     "\[\r\n\]+#1 .* array_func \\(\\) at "
 140     "\[\r\n\]+#2 .* factorial_func \\(value=1\\) at "
 141     "\[\r\n\]+#3 .* factorial_func \\(value=2\\) at "
 142     "\[\r\n\]+#4 .* factorial_func \\(value=3\\) at "
 143     "\[\r\n\]+#5 .* factorial_func \\(value=4\\) at "
 144     "\[\r\n\]+#6 .* factorial_func \\(value=5\\) at "
 145     "\[\r\n\]+#7 .* factorial_func \\(value=6\\) at "
 146     "\[\r\n\]+#8 .* main \\(.*\\) at "
 147 }
 148
 149 set post_corefile_regs [capture_command_output "info registers" ""]
 150 if ![string compare $pre_corefile_regs $post_corefile_regs] then {
 151     pass "corefile restored general registers"
 152 } else {
 153     fail "corefile restored general registers"
 154 }
 155
 156 set post_corefile_allregs [capture_command_output "info all-reg" ""]
 157 if ![string compare $pre_corefile_allregs $post_corefile_allregs] then {
 158     pass "corefile restored all registers"
 159 } else {
 160     fail "corefile restored all registers"
 161 }
 162
 163 set post_corefile_sysregs [capture_command_output "info reg system" ""]
 164 if ![string compare $pre_corefile_sysregs $post_corefile_sysregs] then {
 165     pass "corefile restored system registers"
 166 } else {
 167     fail "corefile restored system registers"
 168 }
 169
 170 set post_corefile_extern_array \
 171         [capture_command_output "print extern_array" "$print_prefix"]
 172 if ![string compare $pre_corefile_extern_array $post_corefile_extern_array]  {
 173     pass "corefile restored extern array"
 174 } else {
 175     fail "corefile restored extern array"
 176 }
 177
 178 set post_corefile_static_array \
 179         [capture_command_output "print static_array" "$print_prefix"]
 180 if ![string compare $pre_corefile_static_array $post_corefile_static_array]  {
 181     pass "corefile restored static array"
 182 } else {
 183     fail "corefile restored static array"
 184 }
 185
 186 set post_corefile_uninit_array \
 187         [capture_command_output "print un_initialized_array" "$print_prefix"]
 188 if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array]  {
 189     pass "corefile restored un-initialized array"
 190 } else {
 191     fail "corefile restored un-initialized array"
 192 }
 193
 194 set post_corefile_heap_string \
 195         [capture_command_output "print heap_string" "$print_prefix"]
 196 if ![string compare $pre_corefile_heap_string $post_corefile_heap_string]  {
 197     pass "corefile restored heap array"
 198 } else {
 199     fail "corefile restored heap array"
 200 }
 201
 202 set post_corefile_local_array \
 203         [capture_command_output "print array_func::local_array" "$print_prefix"]
 204 if ![string compare $pre_corefile_local_array $post_corefile_local_array]  {
 205     pass "corefile restored stack array"
 206 } else {
 207     fail "corefile restored stack array"
 208 }
 209
 210 set post_corefile_backtrace [capture_command_output "backtrace" ""]
 211 if ![string compare $pre_corefile_backtrace $post_corefile_backtrace]  {
 212     pass "corefile restored backtrace"
 213 } else {
 214     fail "corefile restored backtrace"
 215 }