Subversion Repositories openrisc_2011-10-31

# 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 .

# 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

    }

}