1# Copyright 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 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# Test GDB's internal buffers safety for the GCORE command. 21 22if $tracelevel then { 23 strace $tracelevel 24} 25 26set prms_id 0 27set bug_id 0 28 29set testfile "gcore-buffer-overflow" 30set srcfile ${testfile}.c 31# The ${binfile} basename needs to exceed 80 characters (`sizeof (psargs)') 32# plus some additional data to overwrite the stack frame. 33set pattern 01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 34set binfile ${objdir}/${subdir}/${testfile}-${pattern} 35 36if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { 37 untested gcore.exp 38 return -1 39} 40 41# Start with a fresh gdb. 42 43gdb_exit 44gdb_start 45gdb_reinitialize_dir $srcdir/$subdir 46gdb_load ${binfile} 47 48gdb_test "set args ${pattern}" \ 49 "" \ 50 "Set buffer exceeding arguments" 51 52if { ! [ runto_main ] } then { 53 untested gcore-buffer-overflow.exp 54 return -1 55} 56 57set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore-buffer-overflow.test] 58 59set test "save a corefile" 60gdb_test_multiple "gcore ${objdir}/${subdir}/gcore-buffer-overflow.test" $test { 61 -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" { 62 pass $test 63 } 64 -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" { 65 unsupported $test 66 } 67 eof { 68 fail $test 69 } 70} 71