gdb/testsuite/gdb.base/gcore.exp

   1 # Copyright 2002, 2003, 2004 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This file was written by Michael Snyder (msnyder@redhat.com)
  21 # This is a test for the gdb command "generate-core-file".
  22
  23 if $tracelevel then {
  24         strace $tracelevel
  25 }
  26
  27 set prms_id 0
  28 set bug_id 0
  29
  30 set testfile "gcore"
  31 set srcfile  ${testfile}.c
  32 set binfile  ${objdir}/${subdir}/${testfile}
  33
  34 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  35      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  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 $" {
  57         fail "help gcore"
  58     }
  59     timeout {
  60         fail "help gcore (timeout)"
  61     }
  62 }
  63
  64 if { ! [ runto_main ] } then {
  65     gdb_suppress_entire_file "Run to main failed, so all tests in this file will automatically fail."
  66 }
  67
  68 proc capture_command_output { command prefix } {
  69     global gdb_prompt
  70     global expect_out
  71
  72     set output_string ""
  73     send_gdb "$command\n"
  74     gdb_expect {
  75         -re "${command}\[\r\n\]+${prefix}(.*)\[\r\n\]+$gdb_prompt $" {
  76             set output_string $expect_out(1,string)
  77         }
  78         default {
  79             fail "capture_command_output failed on $command."
  80         }
  81     }
  82     return $output_string
  83 }
  84
  85 gdb_test "break terminal_func" "Breakpoint .* at .*${srcfile}, line .*" \
  86         "set breakpoint at terminal_func"
  87
  88 gdb_test "continue" "Breakpoint .* terminal_func.*" \
  89         "continue to terminal_func"
  90
  91 set print_prefix ".\[0123456789\]* = "
  92
  93 set pre_corefile_backtrace [capture_command_output "backtrace" ""]
  94 set pre_corefile_regs [capture_command_output "info registers" ""]
  95 set pre_corefile_allregs [capture_command_output "info all-reg" ""]
  96 set pre_corefile_static_array \
  97         [capture_command_output "print static_array" "$print_prefix"]
  98 set pre_corefile_uninit_array \
  99         [capture_command_output "print un_initialized_array" "$print_prefix"]
 100 set pre_corefile_heap_string \
 101         [capture_command_output "print heap_string" "$print_prefix"]
 102 set pre_corefile_local_array \
 103         [capture_command_output "print array_func::local_array" "$print_prefix"]
 104 set pre_corefile_extern_array \
 105         [capture_command_output "print extern_array" "$print_prefix"]
 106
 107 set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test]
 108
 109 gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \
 110         "save a corefile" \
 111 {
 112   -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
 113     pass "save a corefile"
 114     global core_supported
 115     set core_supported 1
 116   }
 117   -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
 118     unsupported "save a corefile"
 119     global core_supported
 120     set core_supported 0
 121   }
 122 }
 123
 124 global core_supported
 125 if {!$core_supported} {
 126   return -1
 127 }
 128
 129 # Now restart gdb and load the corefile.
 130 gdb_exit
 131 gdb_start
 132 gdb_reinitialize_dir $srcdir/$subdir
 133 gdb_load ${binfile}
 134
 135 send_gdb "core ${objdir}/${subdir}/gcore.test\n"
 136 gdb_expect {
 137     -re ".* is not a core dump:.*$gdb_prompt $" {
 138         fail "re-load generated corefile (bad file format)"
 139         # No use proceeding from here.
 140         return;
 141     }
 142     -re ".*: No such file or directory.*$gdb_prompt $" {
 143         fail "re-load generated corefile (file not found)"
 144         # No use proceeding from here.
 145         return;
 146     }
 147     -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
 148         fail "re-load generated corefile (incomplete note section)"
 149     }
 150     -re "Core was generated by .*$gdb_prompt $" {
 151         pass "re-load generated corefile"
 152     }
 153     -re ".*$gdb_prompt $" {
 154         fail "re-load generated corefile"
 155     }
 156     timeout {
 157         fail "re-load generated corefile (timeout)"
 158     }
 159 }
 160
 161 send_gdb "where\n"
 162 gdb_expect_list "where in corefile" ".*$gdb_prompt $" {
 163     ".*\[\r\n\]+#0 .* terminal_func \\(\\) at "
 164     ".*\[\r\n\]+#1 .* array_func \\(\\) at "
 165     ".*\[\r\n\]+#2 .* factorial_func \\(value=1\\) at "
 166     ".*\[\r\n\]+#3 .* factorial_func \\(value=2\\) at "
 167     ".*\[\r\n\]+#4 .* factorial_func \\(value=3\\) at "
 168     ".*\[\r\n\]+#5 .* factorial_func \\(value=4\\) at "
 169     ".*\[\r\n\]+#6 .* factorial_func \\(value=5\\) at "
 170     ".*\[\r\n\]+#7 .* factorial_func \\(value=6\\) at "
 171     ".*\[\r\n\]+#8 .* main \\(.*\\) at "
 172 }
 173
 174 set post_corefile_regs [capture_command_output "info registers" ""]
 175 if ![string compare $pre_corefile_regs $post_corefile_regs] then {
 176     pass "corefile restored general registers"
 177 } else {
 178     fail "corefile restored general registers"
 179 }
 180
 181 set post_corefile_allregs [capture_command_output "info all-reg" ""]
 182 if ![string compare $pre_corefile_allregs $post_corefile_allregs] then {
 183     pass "corefile restored all registers"
 184 } else {
 185     fail "corefile restored all registers"
 186 }
 187
 188 set post_corefile_extern_array \
 189         [capture_command_output "print extern_array" "$print_prefix"]
 190 if ![string compare $pre_corefile_extern_array $post_corefile_extern_array]  {
 191     pass "corefile restored extern array"
 192 } else {
 193     fail "corefile restored extern array"
 194 }
 195
 196 set post_corefile_static_array \
 197         [capture_command_output "print static_array" "$print_prefix"]
 198 if ![string compare $pre_corefile_static_array $post_corefile_static_array]  {
 199     pass "corefile restored static array"
 200 } else {
 201     fail "corefile restored static array"
 202 }
 203
 204 set post_corefile_uninit_array \
 205         [capture_command_output "print un_initialized_array" "$print_prefix"]
 206 if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array]  {
 207     pass "corefile restored un-initialized array"
 208 } else {
 209     fail "corefile restored un-initialized array"
 210 }
 211
 212 set post_corefile_heap_string \
 213         [capture_command_output "print heap_string" "$print_prefix"]
 214 if ![string compare $pre_corefile_heap_string $post_corefile_heap_string]  {
 215     pass "corefile restored heap array"
 216 } else {
 217     fail "corefile restored heap array"
 218 }
 219
 220 set post_corefile_local_array \
 221         [capture_command_output "print array_func::local_array" "$print_prefix"]
 222 if ![string compare $pre_corefile_local_array $post_corefile_local_array]  {
 223     pass "corefile restored stack array"
 224 } else {
 225     fail "corefile restored stack array"
 226 }
 227
 228 set post_corefile_backtrace [capture_command_output "backtrace" ""]
 229 if ![string compare $pre_corefile_backtrace $post_corefile_backtrace]  {
 230     pass "corefile restored backtrace"
 231 } else {
 232     fail "corefile restored backtrace"
 233 }