| # Copyright 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # Test GDB's internal buffers safety for the GCORE command. |
| |
| if $tracelevel then { |
| strace $tracelevel |
| } |
| |
| |
| set testfile "gcore-buffer-overflow" |
| set srcfile ${testfile}.c |
| # The ${binfile} basename needs to exceed 80 characters (`sizeof (psargs)') |
| # plus some additional data to overwrite the stack frame. |
| set pattern 01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 |
| set binfile ${objdir}/${subdir}/${testfile}-${pattern} |
| |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
| untested gcore.exp |
| return -1 |
| } |
| |
| # Start with a fresh gdb. |
| |
| gdb_exit |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| |
| # Does this gdb support gcore? |
| gdb_test_multiple "help gcore" "help gcore" { |
| -re "Undefined command: .gcore.*$gdb_prompt $" { |
| # gcore command not supported -- nothing to test here. |
| unsupported "gdb does not support gcore on this target" |
| return -1; |
| } |
| -re "Save a core file .*$gdb_prompt $" { |
| pass "help gcore" |
| } |
| } |
| |
| gdb_test_no_output "set args ${pattern}" \ |
| "Set buffer exceeding arguments" |
| |
| if { ! [ runto_main ] } then { |
| untested gcore-buffer-overflow.exp |
| return -1 |
| } |
| |
| set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore-buffer-overflow.test] |
| |
| set test "save a corefile" |
| gdb_test_multiple "gcore ${objdir}/${subdir}/gcore-buffer-overflow.test" $test { |
| -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" { |
| pass $test |
| } |
| -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" { |
| unsupported $test |
| } |
| eof { |
| fail $test |
| } |
| } |