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

   1 # Copyright 2010, 2011 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 if $tracelevel then {
  17         strace $tracelevel
  18 }
  19
  20
  21 if { ![istarget i?86-*-linux*] && ![istarget x86_64-*-linux* ] } {
  22     verbose "Skipping system register gcore tests."
  23     return
  24 }
  25
  26 set testfile "system-gcore"
  27 set srcfile  gcore.c
  28 set binfile  ${objdir}/${subdir}/${testfile}
  29
  30 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  31      untested system-gcore.exp
  32      return -1
  33 }
  34
  35 # Start with a fresh gdb.
  36
  37 gdb_exit
  38 gdb_start
  39 gdb_reinitialize_dir $srcdir/$subdir
  40 gdb_load ${binfile}
  41
  42 # Does this gdb support gcore?
  43 send_gdb "help gcore\n"
  44 gdb_expect {
  45     -re "Undefined command: .gcore.*$gdb_prompt $" {
  46         # gcore command not supported -- nothing to test here.
  47         unsupported "gdb does not support gcore on this target"
  48         return -1;
  49     }
  50     -re "Save a core file .*$gdb_prompt $" {
  51         pass "help gcore"
  52     }
  53     -re ".*$gdb_prompt $" {
  54         fail "help gcore"
  55     }
  56     timeout {
  57         fail "help gcore (timeout)"
  58     }
  59 }
  60
  61 if { ! [ runto_main ] } then {
  62     untested system-gcore.exp
  63     return -1
  64 }
  65
  66 proc capture_command_output { command prefix } {
  67     global gdb_prompt
  68     global expect_out
  69
  70     set output_string ""
  71     gdb_test_multiple "$command" "capture_command_output for $command" {
  72         -re "${command}\[\r\n\]+${prefix}(.*)\[\r\n\]+$gdb_prompt $" {
  73             set output_string $expect_out(1,string)
  74         }
  75     }
  76     return $output_string
  77 }
  78
  79 gdb_test "break terminal_func" "Breakpoint .* at .*${srcfile}, line .*" \
  80         "set breakpoint at terminal_func"
  81
  82 gdb_test "continue" "Breakpoint .* terminal_func.*" \
  83         "continue to terminal_func"
  84
  85 set print_prefix ".\[0123456789\]* = "
  86
  87 set pre_corefile_backtrace [capture_command_output "backtrace" ""]
  88 set pre_corefile_regs [capture_command_output "info registers" ""]
  89 set pre_corefile_allregs [capture_command_output "info all-reg" ""]
  90 set pre_corefile_sysregs [capture_command_output "info reg system" ""]
  91 set pre_corefile_static_array \
  92         [capture_command_output "print static_array" "$print_prefix"]
  93 set pre_corefile_uninit_array \
  94         [capture_command_output "print un_initialized_array" "$print_prefix"]
  95 set pre_corefile_heap_string \
  96         [capture_command_output "print heap_string" "$print_prefix"]
  97 set pre_corefile_local_array \
  98         [capture_command_output "print array_func::local_array" "$print_prefix"]
  99 set pre_corefile_extern_array \
 100         [capture_command_output "print extern_array" "$print_prefix"]
 101
 102 set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test]
 103
 104 set core_supported 0
 105 gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \
 106         "save a corefile" \
 107 {
 108   -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
 109     pass "save a corefile"
 110     global core_supported
 111     set core_supported 1
 112   }
 113   -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
 114     unsupported "save a corefile"
 115     global core_supported
 116     set core_supported 0
 117   }
 118 }
 119
 120 if {!$core_supported} {
 121   return -1
 122 }
 123
 124 # Now restart gdb and load the corefile.
 125 gdb_exit
 126 gdb_start
 127 gdb_reinitialize_dir $srcdir/$subdir
 128 gdb_load ${binfile}
 129
 130 send_gdb "core ${objdir}/${subdir}/gcore.test\n"
 131 gdb_expect {
 132     -re ".* is not a core dump:.*$gdb_prompt $" {
 133         fail "re-load generated corefile (bad file format)"
 134         # No use proceeding from here.
 135         return;
 136     }
 137     -re ".*: No such file or directory.*$gdb_prompt $" {
 138         fail "re-load generated corefile (file not found)"
 139         # No use proceeding from here.
 140         return;
 141     }
 142     -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
 143         fail "re-load generated corefile (incomplete note section)"
 144     }
 145     -re "Core was generated by .*$gdb_prompt $" {
 146         pass "re-load generated corefile"
 147     }
 148     -re ".*$gdb_prompt $" {
 149         fail "re-load generated corefile"
 150     }
 151     timeout {
 152         fail "re-load generated corefile (timeout)"
 153     }
 154 }
 155
 156 gdb_test_sequence "where" "where in corefile" {
 157     "\[\r\n\]+#0 .* terminal_func \\(\\) at "
 158     "\[\r\n\]+#1 .* array_func \\(\\) at "
 159     "\[\r\n\]+#2 .* factorial_func \\(value=1\\) at "
 160     "\[\r\n\]+#3 .* factorial_func \\(value=2\\) at "
 161     "\[\r\n\]+#4 .* factorial_func \\(value=3\\) at "
 162     "\[\r\n\]+#5 .* factorial_func \\(value=4\\) at "
 163     "\[\r\n\]+#6 .* factorial_func \\(value=5\\) at "
 164     "\[\r\n\]+#7 .* factorial_func \\(value=6\\) at "
 165     "\[\r\n\]+#8 .* main \\(.*\\) at "
 166 }
 167
 168 set post_corefile_regs [capture_command_output "info registers" ""]
 169 if ![string compare $pre_corefile_regs $post_corefile_regs] then {
 170     pass "corefile restored general registers"
 171 } else {
 172     fail "corefile restored general registers"
 173 }
 174
 175 set post_corefile_allregs [capture_command_output "info all-reg" ""]
 176 if ![string compare $pre_corefile_allregs $post_corefile_allregs] then {
 177     pass "corefile restored all registers"
 178 } else {
 179     fail "corefile restored all registers"
 180 }
 181
 182 set post_corefile_sysregs [capture_command_output "info reg system" ""]
 183 if ![string compare $pre_corefile_sysregs $post_corefile_sysregs] then {
 184     pass "corefile restored system registers"
 185 } else {
 186     fail "corefile restored system registers"
 187 }
 188
 189 set post_corefile_extern_array \
 190         [capture_command_output "print extern_array" "$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 }