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 22if $tracelevel then { 23 strace $tracelevel 24} 25 26set prms_id 0 27set bug_id 0 28 29set testfile "gcore" 30set srcfile ${testfile}.c 31set binfile ${objdir}/${subdir}/${testfile} 32 33if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { 34 untested gcore.exp 35 return -1 36} 37 38# Start with a fresh gdb. 39 40gdb_exit 41gdb_start 42gdb_reinitialize_dir $srcdir/$subdir 43gdb_load ${binfile} 44 45# Does this gdb support gcore? 46send_gdb "help gcore\n" 47gdb_expect { 48 -re "Undefined command: .gcore.*$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 $" { 57 fail "help gcore" 58 } 59 timeout { 60 fail "help gcore (timeout)" 61 } 62} 63 64if { ! [ runto_main ] } then { 65 untested gcore.exp 66 return -1 67} 68 69proc capture_command_output { command prefix } { 70 global gdb_prompt 71 global expect_out 72 73 set output_string "" 74 send_gdb "$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 $output_string 84} 85 86gdb_test "break terminal_func" "Breakpoint .* at .*${srcfile}, line .*" \ 87 "set breakpoint at terminal_func" 88 89gdb_test "continue" "Breakpoint .* terminal_func.*" \ 90 "continue to terminal_func" 91 92set print_prefix ".\[0123456789\]* = " 93 94set pre_corefile_backtrace [capture_command_output "backtrace" ""] 95set pre_corefile_regs [capture_command_output "info registers" ""] 96set pre_corefile_allregs [capture_command_output "info all-reg" ""] 97set pre_corefile_static_array \ 98 [capture_command_output "print static_array" "$print_prefix"] 99set pre_corefile_uninit_array \ 100 [capture_command_output "print un_initialized_array" "$print_prefix"] 101set pre_corefile_heap_string \ 102 [capture_command_output "print heap_string" "$print_prefix"] 103set pre_corefile_local_array \ 104 [capture_command_output "print array_func::local_array" "$print_prefix"] 105set pre_corefile_extern_array \ 106 [capture_command_output "print extern_array" "$print_prefix"] 107 108set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test] 109 110set core_supported 0 111gdb_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 $" { 120 unsupported "save a corefile" 121 global core_supported 122 set core_supported 0 123 } 124} 125 126if {!$core_supported} { 127 return -1 128} 129 130# Now restart gdb and load the corefile. 131gdb_exit 132gdb_start 133gdb_reinitialize_dir $srcdir/$subdir 134gdb_load ${binfile} 135 136send_gdb "core ${objdir}/${subdir}/gcore.test\n" 137gdb_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 $" { 155 fail "re-load generated corefile" 156 } 157 timeout { 158 fail "re-load generated corefile (timeout)" 159 } 160} 161 162send_gdb "where\n" 163gdb_expect_list "where in corefile" ".*$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 175set post_corefile_regs [capture_command_output "info registers" ""] 176if ![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 182set post_corefile_allregs [capture_command_output "info all-reg" ""] 183if ![string compare $pre_corefile_allregs $post_corefile_allregs] then { 184 pass "corefile restored all registers" 185} else { 186 fail "corefile restored all registers" 187} 188 189set post_corefile_extern_array \ 190 [capture_command_output "print extern_array" "$print_prefix"] 191if ![string compare $pre_corefile_extern_array $post_corefile_extern_array] { 192 pass "corefile restored extern array" 193} else { 194 fail "corefile restored extern array" 195} 196 197set post_corefile_static_array \ 198 [capture_command_output "print static_array" "$print_prefix"] 199if ![string compare $pre_corefile_static_array $post_corefile_static_array] { 200 pass "corefile restored static array" 201} else { 202 fail "corefile restored static array" 203} 204 205set post_corefile_uninit_array \ 206 [capture_command_output "print un_initialized_array" "$print_prefix"] 207if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array] { 208 pass "corefile restored un-initialized array" 209} else { 210 fail "corefile restored un-initialized array" 211} 212 213set post_corefile_heap_string \ 214 [capture_command_output "print heap_string" "$print_prefix"] 215if ![string compare $pre_corefile_heap_string $post_corefile_heap_string] { 216 pass "corefile restored heap array" 217} else { 218 fail "corefile restored heap array" 219} 220 221set post_corefile_local_array \ 222 [capture_command_output "print array_func::local_array" "$print_prefix"] 223if ![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 229set post_corefile_backtrace [capture_command_output "backtrace" ""] 230if ![string compare $pre_corefile_backtrace $post_corefile_backtrace] { 231 pass "corefile restored backtrace" 232} else { 233 fail "corefile restored backtrace" 234} 235