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jeremybenn |
# Copyright 2007, 2008 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# Test GDB's internal buffers safety for the GCORE command.
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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set testfile "gcore-buffer-overflow"
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set srcfile ${testfile}.c
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# The ${binfile} basename needs to exceed 80 characters (`sizeof (psargs)')
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# plus some additional data to overwrite the stack frame.
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set pattern 01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
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set binfile ${objdir}/${subdir}/${testfile}-${pattern}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested gcore.exp
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return -1
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}
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# Start with a fresh gdb.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# Does this gdb support gcore?
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send_gdb "help gcore\n"
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gdb_expect {
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-re "Undefined command: .gcore.*$gdb_prompt $" {
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# gcore command not supported -- nothing to test here.
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unsupported "gdb does not support gcore on this target"
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return -1;
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}
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-re "Save a core file .*$gdb_prompt $" {
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pass "help gcore"
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}
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-re ".*$gdb_prompt $" {
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fail "help gcore"
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}
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timeout {
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fail "help gcore (timeout)"
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}
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}
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gdb_test "set args ${pattern}" \
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"" \
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"Set buffer exceeding arguments"
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if { ! [ runto_main ] } then {
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untested gcore-buffer-overflow.exp
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return -1
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}
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set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore-buffer-overflow.test]
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set test "save a corefile"
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gdb_test_multiple "gcore ${objdir}/${subdir}/gcore-buffer-overflow.test" $test {
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-re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
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pass $test
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}
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-re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
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unsupported $test
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}
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eof {
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fail $test
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}
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}
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