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# Copyright 2007, 2008 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
# Test GDB's internal buffers safety for the GCORE command.
if $tracelevel then {
strace $tracelevel
}
set prms_id 0
set bug_id 0
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 ${binfile}
# Does this gdb support gcore?
send_gdb "help gcore\n"
gdb_expect {
-re "Undefined command: .gcore.*$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 $" {
pass "help gcore"
}
-re ".*$gdb_prompt $" {
fail "help gcore"
}
timeout {
fail "help gcore (timeout)"
}
}
gdb_test "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
}
}
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