gdb/testsuite/gdb.base/gcore.exp

   1 # Copyright 2002 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 gdb_test "gcore ${objdir}/${subdir}/gcore.test" \
 108         "Saved corefile ${objdir}/${subdir}/gcore.test" \
 109         "save a corefile"
 110
 111 # Now restart gdb and load the corefile.
 112 gdb_exit
 113 gdb_start
 114 gdb_reinitialize_dir $srcdir/$subdir
 115 gdb_load ${binfile}
 116
 117 send_gdb "core ${objdir}/${subdir}/gcore.test\n"
 118 gdb_expect {
 119     -re ".* is not a core dump:.*$gdb_prompt $" {
 120         fail "re-load generated corefile (bad file format)"
 121         # No use proceeding from here.
 122         return;
 123     }
 124     -re ".*: No such file or directory.*$gdb_prompt $" {
 125         fail "re-load generated corefile (file not found)"
 126         # No use proceeding from here.
 127         return;
 128     }
 129     -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
 130         fail "re-load generated corefile (incomplete note section)"
 131     }
 132     -re "Core was generated by .*$gdb_prompt $" {
 133         pass "re-load generated corefile"
 134     }
 135     -re ".*$gdb_prompt $" {
 136         fail "re-load generated corefile"
 137     }
 138     timeout {
 139         fail "re-load generated corefile (timeout)"
 140     }
 141 }
 142
 143 send_gdb "where\n"
 144 gdb_expect_list "where in corefile" ".*$gdb_prompt $" {
 145     ".*\[\r\n\]+#0 .* terminal_func \\(\\) at "
 146     ".*\[\r\n\]+#1 .* array_func \\(\\) at "
 147     ".*\[\r\n\]+#2 .* factorial_func \\(value=1\\) at "
 148     ".*\[\r\n\]+#3 .* factorial_func \\(value=2\\) at "
 149     ".*\[\r\n\]+#4 .* factorial_func \\(value=3\\) at "
 150     ".*\[\r\n\]+#5 .* factorial_func \\(value=4\\) at "
 151     ".*\[\r\n\]+#6 .* factorial_func \\(value=5\\) at "
 152     ".*\[\r\n\]+#7 .* factorial_func \\(value=6\\) at "
 153     ".*\[\r\n\]+#8 .* main \\(.*\\) at "
 154 }
 155
 156 set post_corefile_regs [capture_command_output "info registers" ""]
 157 if ![string compare $pre_corefile_regs $post_corefile_regs] then {
 158     pass "corefile restored general registers"
 159 } else {
 160     fail "corefile restored general registers"
 161 }
 162
 163 set post_corefile_allregs [capture_command_output "info all-reg" ""]
 164 if ![string compare $pre_corefile_allregs $post_corefile_allregs] then {
 165     pass "corefile restored all registers"
 166 } else {
 167     fail "corefile restored all registers"
 168 }
 169
 170 set post_corefile_extern_array \
 171         [capture_command_output "print extern_array" "$print_prefix"]
 172 pass "extern_array = $post_corefile_extern_array"
 173 if ![string compare $pre_corefile_extern_array $post_corefile_extern_array]  {
 174     pass "corefile restored extern array"
 175 } else {
 176     fail "corefile restored extern array"
 177 }
 178
 179 set post_corefile_static_array \
 180         [capture_command_output "print static_array" "$print_prefix"]
 181 pass "static_array = $post_corefile_static_array"
 182 if ![string compare $pre_corefile_static_array $post_corefile_static_array]  {
 183     pass "corefile restored static array"
 184 } else {
 185     fail "corefile restored static array"
 186 }
 187
 188 set post_corefile_uninit_array \
 189         [capture_command_output "print un_initialized_array" "$print_prefix"]
 190 pass "uninit_array = $post_corefile_uninit_array"
 191 if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array]  {
 192     pass "corefile restored un-initialized array"
 193 } else {
 194     fail "corefile restored un-initialized array"
 195 }
 196
 197 set post_corefile_heap_string \
 198         [capture_command_output "print heap_string" "$print_prefix"]
 199 pass "heap_string = $post_corefile_heap_string"
 200 if ![string compare $pre_corefile_heap_string $post_corefile_heap_string]  {
 201     pass "corefile restored heap array"
 202 } else {
 203     fail "corefile restored heap array"
 204 }
 205
 206 set post_corefile_local_array \
 207         [capture_command_output "print array_func::local_array" "$print_prefix"]
 208 pass "local_array = $post_corefile_local_array"
 209 if ![string compare $pre_corefile_local_array $post_corefile_local_array]  {
 210     pass "corefile restored stack array"
 211 } else {
 212     fail "corefile restored stack array"
 213 }
 214
 215 set post_corefile_backtrace [capture_command_output "backtrace" ""]
 216 if ![string compare $pre_corefile_backtrace $post_corefile_backtrace]  {
 217     pass "corefile restored backtrace"
 218 } else {
 219     fail "corefile restored backtrace"
 220 }